39920001904 has 10 divisors (see below), whose sum is σ = 77345003720. Its totient is φ = 19960000944.

The previous prime is 39920001871. The next prime is 39920001937. The reversal of 39920001904 is 40910002993.

39920001904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (39920001871) and next prime (39920001937).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1247500044 + ... + 1247500075.

It is an arithmetic number, because the mean of its divisors is an integer number (7734500372).

Almost surely, 2^39920001904 is an apocalyptic number.

It is an amenable number.

39920001904 is a deficient number, since it is larger than the sum of its proper divisors (37425001816).

39920001904 is a wasteful number, since it uses less digits than its factorization.

39920001904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495000127 (or 2495000121 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 37.

The spelling of 39920001904 in words is "thirty-nine billion, nine hundred twenty million, one thousand, nine hundred four".