156471887340 has 36 divisors (see below), whose sum is σ = 474631392144. Its totient is φ = 41725836576.

The previous prime is 156471887323. The next prime is 156471887353. The reversal of 156471887340 is 43788174651.

156471887340 is a `hidden beast` number, since 1 + 56 + 471 + 8 + 87 + 3 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 434643952 + ... + 434644311.

Almost surely, 2^156471887340 is an apocalyptic number.

156471887340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156471887340 is an abundant number, since it is smaller than the sum of its proper divisors (318159504804).

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

156471887340 is a wasteful number, since it uses less digits than its factorization.

156471887340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869288278 (or 869288273 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 156471887340 in words is "one hundred fifty-six billion, four hundred seventy-one million, eight hundred eighty-seven thousand, three hundred forty".