33640057052942 has 16 divisors (see below), whose sum is σ = 50984120758032. Its totient is φ = 16645376175360.

The previous prime is 33640057052929. The next prime is 33640057052983. The reversal of 33640057052942 is 24925075004633.

It is a super-2 number, since 2×33640057052942² (a number of 28 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 7 ways as a sum of consecutive naturals, for example, 3917513 + ... + 9089940.

It is an arithmetic number, because the mean of its divisors is an integer number (3186507547377).

Almost surely, 2^{33640057052942} is an apocalyptic number.

33640057052942 is a deficient number, since it is larger than the sum of its proper divisors (17344063705090).

33640057052942 is a wasteful number, since it uses less digits than its factorization.

33640057052942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13020883.

The product of its (nonzero) digits is 5443200, while the sum is 50.

The spelling of 33640057052942 in words is "thirty-three trillion, six hundred forty billion, fifty-seven million, fifty-two thousand, nine hundred forty-two".