39044193904 has 40 divisors (see below), whose sum is σ = 80049019392. Its totient is φ = 18410293440.

The previous prime is 39044193899. The next prime is 39044193949. The reversal of 39044193904 is 40939144093.

It is a happy number.

39044193904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×39044193904⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 721044 + ... + 773299.

Almost surely, 2^39044193904 is an apocalyptic number.

It is an amenable number.

39044193904 is an abundant number, since it is smaller than the sum of its proper divisors (41004825488).

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

39044193904 is a wasteful number, since it uses less digits than its factorization.

39044193904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494445 (or 1494439 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 46.

The spelling of 39044193904 in words is "thirty-nine billion, forty-four million, one hundred ninety-three thousand, nine hundred four".