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40907171936 = 256143947737
BaseRepresentation
bin100110000110010000…
…011110100001100000
310220120220001122110002
4212012100132201200
51132234214000221
630443102355132
72645501136641
oct460620364140
9126526048402
1040907171936
1116392039814
127b1788baa8
133b1bcba4a7
141da0c736c8
1510e647d80b
hex98641e860

40907171936 has 48 divisors (see below), whose sum is σ = 82044436320. Its totient is φ = 20072033280.

The previous prime is 40907171933. The next prime is 40907171951. The reversal of 40907171936 is 63917170904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40907171933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 833060 + ... + 880796.

It is an arithmetic number, because the mean of its divisors is an integer number (1709259090).

Almost surely, 240907171936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40907171936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41022218160).

40907171936 is an abundant number, since it is smaller than the sum of its proper divisors (41137264384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40907171936 is a wasteful number, since it uses less digits than its factorization.

40907171936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48247 (or 48239 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 47.

The spelling of 40907171936 in words is "forty billion, nine hundred seven million, one hundred seventy-one thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 16 32 61 122 244 439 488 878 976 1756 1952 3512 7024 14048 26779 47737 53558 95474 107116 190948 214232 381896 428464 763792 856928 1527584 2911957 5823914 11647828 20956543 23295656 41913086 46591312 83826172 93182624 167652344 335304688 670609376 1278349123 2556698246 5113396492 10226792984 20453585968 40907171936