157322202440 has 64 divisors (see below), whose sum is σ = 384577426800. Its totient is φ = 57574121472.

The previous prime is 157322202431. The next prime is 157322202463. The reversal of 157322202440 is 44202223751.

It can be written as a sum of positive squares in 8 ways, for example, as 678810916 + 156643391524 = 26054^2 + 395782^2 .

It is a junction number, because it is equal to n+sod(n) for n = 157322202397 and 157322202406.

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, 1279925 + ... + 1397444.

Almost surely, 2^157322202440 is an apocalyptic number.

157322202440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157322202440 is an abundant number, since it is smaller than the sum of its proper divisors (227255224360).

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

157322202440 is a wasteful number, since it uses less digits than its factorization.

157322202440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677506 (or 2677502 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The spelling of 157322202440 in words is "one hundred fifty-seven billion, three hundred twenty-two million, two hundred two thousand, four hundred forty".