331940040552 has 80 divisors (see below), whose sum is σ = 930183724800. Its totient is φ = 110593810080.

The previous prime is 331940040547. The next prime is 331940040559. The reversal of 331940040552 is 255040049133.

It is a super-2 number, since 2×331940040552² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (331940040559) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1246599 + ... + 1489257.

It is an arithmetic number, because the mean of its divisors is an integer number (11627296560).

Almost surely, 2^331940040552 is an apocalyptic number.

It is an amenable number.

331940040552 is an abundant number, since it is smaller than the sum of its proper divisors (598243684248).

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

331940040552 is a wasteful number, since it uses less digits than its factorization.

331940040552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244788 (or 244775 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 331940040552 its reverse (255040049133), we get a palindrome (586980089685).

The spelling of 331940040552 in words is "three hundred thirty-one billion, nine hundred forty million, forty thousand, five hundred fifty-two".