3902220240 has 40 divisors (see below), whose sum is σ = 12096883488. Its totient is φ = 1040592000.

The previous prime is 3902220229. The next prime is 3902220269. The reversal of 3902220240 is 420222093.

3902220240 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3902220240.

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, 8129386 + ... + 8129865.

Almost surely, 2^3902220240 is an apocalyptic number.

3902220240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3902220240 is an abundant number, since it is smaller than the sum of its proper divisors (8194663248).

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

3902220240 is a wasteful number, since it uses less digits than its factorization.

3902220240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16259267 (or 16259261 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 3902220240 is about 62467.7536013582. The cubic root of 3902220240 is about 1574.3595602240.

The spelling of 3902220240 in words is "three billion, nine hundred two million, two hundred twenty thousand, two hundred forty".