331392748450 has 24 divisors (see below), whose sum is σ = 616522682880. Its totient is φ = 132528675600.

The previous prime is 331392748387. The next prime is 331392748499. The reversal of 331392748450 is 54847293133.

It is a junction number, because it is equal to n+sod(n) for n = 331392748394 and 331392748403.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 474306 + ... + 942205.

It is an arithmetic number, because the mean of its divisors is an integer number (25688445120).

Almost surely, 2^331392748450 is an apocalyptic number.

331392748450 is a deficient number, since it is larger than the sum of its proper divisors (285129934430).

331392748450 is a wasteful number, since it uses less digits than its factorization.

331392748450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421202 (or 1421197 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 331392748450 in words is "three hundred thirty-one billion, three hundred ninety-two million, seven hundred forty-eight thousand, four hundred fifty".