331004154040 has 64 divisors (see below), whose sum is σ = 862813229760. Its totient is φ = 111932513280.

The previous prime is 331004154007. The next prime is 331004154053. The reversal of 331004154040 is 40451400133.

It is a junction number, because it is equal to n+sod(n) for n = 331004153996 and 331004154014.

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, 8076531 + ... + 8117410.

It is an arithmetic number, because the mean of its divisors is an integer number (13481456715).

Almost surely, 2^331004154040 is an apocalyptic number.

It is an amenable number.

331004154040 is an abundant number, since it is smaller than the sum of its proper divisors (531809075720).

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

331004154040 is a wasteful number, since it uses less digits than its factorization.

331004154040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16194032 (or 16194028 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 331004154040 its reverse (40451400133), we get a palindrome (371455554173).

The spelling of 331004154040 in words is "three hundred thirty-one billion, four million, one hundred fifty-four thousand, forty".