157029493290 has 32 divisors (see below), whose sum is σ = 376886030976. Its totient is φ = 41872837440.

The previous prime is 157029493273. The next prime is 157029493321. The reversal of 157029493290 is 92394920751.

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, 765595 + ... + 948785.

It is an arithmetic number, because the mean of its divisors is an integer number (11777688468).

Almost surely, 2^157029493290 is an apocalyptic number.

157029493290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157029493290 is an abundant number, since it is smaller than the sum of its proper divisors (219856537686).

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

157029493290 is a wasteful number, since it uses less digits than its factorization.

157029493290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211774.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 157029493290 in words is "one hundred fifty-seven billion, twenty-nine million, four hundred ninety-three thousand, two hundred ninety".