157307380780 has 48 divisors (see below), whose sum is σ = 381575559456. Its totient is φ = 53837818880.

The previous prime is 157307380777. The next prime is 157307380799. The reversal of 157307380780 is 87083703751.

It is a happy number.

It is a super-2 number, since 2×157307380780² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21026659 + ... + 21034138.

It is an arithmetic number, because the mean of its divisors is an integer number (7949490822).

Almost surely, 2^157307380780 is an apocalyptic number.

157307380780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157307380780 is an abundant number, since it is smaller than the sum of its proper divisors (224268178676).

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

157307380780 is a wasteful number, since it uses less digits than its factorization.

157307380780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42060834 (or 42060832 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 49.

The spelling of 157307380780 in words is "one hundred fifty-seven billion, three hundred seven million, three hundred eighty thousand, seven hundred eighty".