40357615172 has 48 divisors (see below), whose sum is σ = 82978721280. Its totient is φ = 16812012672.

The previous prime is 40357615169. The next prime is 40357615201. The reversal of 40357615172 is 27151675304.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1057658 + ... + 1095150.

It is an arithmetic number, because the mean of its divisors is an integer number (1728723360).

Almost surely, 2^40357615172 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 40357615172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41489360640).

40357615172 is an abundant number, since it is smaller than the sum of its proper divisors (42621106108).

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

40357615172 is a wasteful number, since it uses less digits than its factorization.

40357615172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38580 (or 38578 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 40357615172 in words is "forty billion, three hundred fifty-seven million, six hundred fifteen thousand, one hundred seventy-two".