331168740 has 48 divisors (see below), whose sum is σ = 1059741312. Its totient is φ = 75695616.

The previous prime is 331168729. The next prime is 331168769. The reversal of 331168740 is 47861133.

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, 393829 + ... + 394668.

It is an arithmetic number, because the mean of its divisors is an integer number (22077944).

Almost surely, 2^331168740 is an apocalyptic number.

331168740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331168740 is an abundant number, since it is smaller than the sum of its proper divisors (728572572).

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

331168740 is a wasteful number, since it uses less digits than its factorization.

331168740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788516 (or 788514 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 331168740 is about 18198.0422023909. The cubic root of 331168740 is about 691.8571686678.

It can be divided in two parts, 331 and 168740, that added together give a triangular number (169071 = T₅₈₁).

The spelling of 331168740 in words is "three hundred thirty-one million, one hundred sixty-eight thousand, seven hundred forty".