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40247089488 = 2434232946559
BaseRepresentation
bin100101011110111010…
…011101100101010000
310211212212222222120000
4211132322131211100
51124411223330423
630253402450000
72623234421214
oct453672354520
9124785888500
1040247089488
1116083484031
127972803900
133a45316268
141d3b32a944
1510a8543843
hex95ee9d950

40247089488 has 200 divisors, whose sum is σ = 125745523200. Its totient is φ = 12389642496.

The previous prime is 40247089453. The next prime is 40247089507. The reversal of 40247089488 is 88498074204.

40247089488 is a `hidden beast` number, since 4 + 0 + 2 + 470 + 8 + 94 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 841153 + ... + 887711.

It is an arithmetic number, because the mean of its divisors is an integer number (628727616).

Almost surely, 240247089488 is an apocalyptic number.

40247089488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40247089488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62872761600).

40247089488 is an abundant number, since it is smaller than the sum of its proper divisors (85498433712).

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

40247089488 is a wasteful number, since it uses less digits than its factorization.

40247089488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46631 (or 46616 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 54.

The spelling of 40247089488 in words is "forty billion, two hundred forty-seven million, eighty-nine thousand, four hundred eighty-eight".