42921152236924 has 24 divisors (see below), whose sum is σ = 80890515867168. Its totient is φ = 19809602888640.

The previous prime is 42921152236889. The next prime is 42921152236957. The reversal of 42921152236924 is 42963225112924.

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 3312489 + ... + 9839455.

It is an arithmetic number, because the mean of its divisors is an integer number (3370438161132).

Almost surely, 2^{42921152236924} is an apocalyptic number.

It is an amenable number.

42921152236924 is a deficient number, since it is larger than the sum of its proper divisors (37969363630244).

42921152236924 is a wasteful number, since it uses less digits than its factorization.

42921152236924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6653445 (or 6653443 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 52.

The spelling of 42921152236924 in words is "forty-two trillion, nine hundred twenty-one billion, one hundred fifty-two million, two hundred thirty-six thousand, nine hundred twenty-four".