33290403412 has 36 divisors (see below), whose sum is σ = 70716270240. Its totient is φ = 13646995824.

The previous prime is 33290403409. The next prime is 33290403437. The reversal of 33290403412 is 21430409233.

It is a super-2 number, since 2×33290403412² (a number of 22 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 11 ways as a sum of consecutive naturals, for example, 3687862 + ... + 3696877.

It is an arithmetic number, because the mean of its divisors is an integer number (1964340840).

Almost surely, 2^33290403412 is an apocalyptic number.

It is an amenable number.

33290403412 is an abundant number, since it is smaller than the sum of its proper divisors (37425866828).

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

33290403412 is a wasteful number, since it uses less digits than its factorization.

33290403412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7384780 (or 7384771 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 33290403412 in words is "thirty-three billion, two hundred ninety million, four hundred three thousand, four hundred twelve".