157044491268 has 24 divisors (see below), whose sum is σ = 418785310272. Its totient is φ = 44869854624.

The previous prime is 157044491251. The next prime is 157044491291. The reversal of 157044491268 is 862194440751.

It is a self number, because there is not a number n which added to its sum of digits gives 157044491268.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934788555 + ... + 934788722.

It is an arithmetic number, because the mean of its divisors is an integer number (17449387928).

Almost surely, 2^157044491268 is an apocalyptic number.

It is an amenable number.

157044491268 is an abundant number, since it is smaller than the sum of its proper divisors (261740819004).

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

157044491268 is a wasteful number, since it uses less digits than its factorization.

157044491268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869577291 (or 1869577289 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 157044491268 in words is "one hundred fifty-seven billion, forty-four million, four hundred ninety-one thousand, two hundred sixty-eight".