157310020290 has 32 divisors (see below), whose sum is σ = 387747944640. Its totient is φ = 40815572544.

The previous prime is 157310020289. The next prime is 157310020313. The reversal of 157310020290 is 92020013751.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 70859260 + ... + 70861479.

It is an arithmetic number, because the mean of its divisors is an integer number (12117123270).

Almost surely, 2^157310020290 is an apocalyptic number.

157310020290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157310020290 is an abundant number, since it is smaller than the sum of its proper divisors (230437924350).

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

157310020290 is a wasteful number, since it uses less digits than its factorization.

157310020290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141720786.

The product of its (nonzero) digits is 3780, while the sum is 30.

The spelling of 157310020290 in words is "one hundred fifty-seven billion, three hundred ten million, twenty thousand, two hundred ninety".