157867481540 has 48 divisors (see below), whose sum is σ = 350929212480. Its totient is φ = 59551605120.

The previous prime is 157867481537. The next prime is 157867481543. The reversal of 157867481540 is 45184768751.

It is an interprime number because it is at equal distance from previous prime (157867481537) and next prime (157867481543).

It is not an unprimeable number, because it can be changed into a prime (157867481543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3140006 + ... + 3189885.

It is an arithmetic number, because the mean of its divisors is an integer number (7311025260).

Almost surely, 2^157867481540 is an apocalyptic number.

157867481540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157867481540 is an abundant number, since it is smaller than the sum of its proper divisors (193061730940).

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

157867481540 is a wasteful number, since it uses less digits than its factorization.

157867481540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6329972 (or 6329970 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 56.

The spelling of 157867481540 in words is "one hundred fifty-seven billion, eight hundred sixty-seven million, four hundred eighty-one thousand, five hundred forty".