3904045020 has 48 divisors (see below), whose sum is σ = 12145919520. Its totient is φ = 1041078528.

The previous prime is 3904044997. The next prime is 3904045027. The reversal of 3904045020 is 205404093.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3904045027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3614317 + ... + 3615396.

It is an arithmetic number, because the mean of its divisors is an integer number (253039990).

Almost surely, 2^3904045020 is an apocalyptic number.

3904045020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3904045020 is an abundant number, since it is smaller than the sum of its proper divisors (8241874500).

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

3904045020 is a wasteful number, since it uses less digits than its factorization.

3904045020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7229731 (or 7229723 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 3904045020 is about 62482.3576699855. The cubic root of 3904045020 is about 1574.6049258509.

The spelling of 3904045020 in words is "three billion, nine hundred four million, forty-five thousand, twenty".