39220243954 has 32 divisors (see below), whose sum is σ = 64700208000. Its totient is φ = 17747985024.

The previous prime is 39220243903. The next prime is 39220243967. The reversal of 39220243954 is 45934202293.

It is a super-2 number, since 2×39220243954² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39220243954.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 679332 + ... + 734800.

It is an arithmetic number, because the mean of its divisors is an integer number (2021881500).

Almost surely, 2^39220243954 is an apocalyptic number.

39220243954 is a deficient number, since it is larger than the sum of its proper divisors (25479964046).

39220243954 is a wasteful number, since it uses less digits than its factorization.

39220243954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56322.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 39220243954 in words is "thirty-nine billion, two hundred twenty million, two hundred forty-three thousand, nine hundred fifty-four".