331770746442 has 16 divisors (see below), whose sum is σ = 663898066272. Its totient is φ = 110530819920.

The previous prime is 331770746429. The next prime is 331770746563. The reversal of 331770746442 is 244647077133.

It is a super-2 number, since 2×331770746442² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331770746391 and 331770746400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14845128 + ... + 14867459.

It is an arithmetic number, because the mean of its divisors is an integer number (41493629142).

Almost surely, 2^331770746442 is an apocalyptic number.

331770746442 is an abundant number, since it is smaller than the sum of its proper divisors (332127319830).

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

331770746442 is a wasteful number, since it uses less digits than its factorization.

331770746442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29714453.

The product of its (nonzero) digits is 2370816, while the sum is 48.

The spelling of 331770746442 in words is "three hundred thirty-one billion, seven hundred seventy million, seven hundred forty-six thousand, four hundred forty-two".