351129298772 has 48 divisors (see below), whose sum is σ = 714872094720. Its totient is φ = 147801045600.

The previous prime is 351129298753. The next prime is 351129298831. The reversal of 351129298772 is 277892921153.

It is a super-2 number, since 2×351129298772² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 6947 + ... + 838037.

It is an arithmetic number, because the mean of its divisors is an integer number (14893168640).

Almost surely, 2^351129298772 is an apocalyptic number.

It is an amenable number.

351129298772 is an abundant number, since it is smaller than the sum of its proper divisors (363742795948).

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

351129298772 is a wasteful number, since it uses less digits than its factorization.

351129298772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831372 (or 831370 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 56.

The spelling of 351129298772 in words is "three hundred fifty-one billion, one hundred twenty-nine million, two hundred ninety-eight thousand, seven hundred seventy-two".