157289180408 has 32 divisors (see below), whose sum is σ = 300008070000. Its totient is φ = 77287848960.

The previous prime is 157289180407. The next prime is 157289180453. The reversal of 157289180408 is 804081982751.

It is a Cunningham number, because it is equal to 396597²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 157289180408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157289180407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1536818 + ... + 1635966.

Almost surely, 2^157289180408 is an apocalyptic number.

It is an amenable number.

157289180408 is a deficient number, since it is larger than the sum of its proper divisors (142718889592).

157289180408 is a wasteful number, since it uses less digits than its factorization.

157289180408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102575 (or 102571 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 53.

The spelling of 157289180408 in words is "one hundred fifty-seven billion, two hundred eighty-nine million, one hundred eighty thousand, four hundred eight".