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40650178842 = 232713229307353
BaseRepresentation
bin100101110110111100…
…001000000100011010
310212220222111001012100
4211312330020010122
51131222421210332
630401402224230
72636230550640
oct456674100432
9125828431170
1040650178842
111626aa6a029
127a657b5076
133aaa999a80
141d78a97190
1510cdb1767c
hex976f0811a

40650178842 has 192 divisors, whose sum is σ = 109537908480. Its totient is φ = 10609201152.

The previous prime is 40650178831. The next prime is 40650178859. The reversal of 40650178842 is 24887105604.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 115156138 + ... + 115156490.

It is an arithmetic number, because the mean of its divisors is an integer number (570509940).

Almost surely, 240650178842 is an apocalyptic number.

40650178842 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 40650178842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54768954240).

40650178842 is an abundant number, since it is smaller than the sum of its proper divisors (68887729638).

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

40650178842 is a wasteful number, since it uses less digits than its factorization.

40650178842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917 (or 914 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 40650178842 in words is "forty billion, six hundred fifty million, one hundred seventy-eight thousand, eight hundred forty-two".