3850402320 has 120 divisors (see below), whose sum is σ = 13231760256. Its totient is φ = 1002887424.

The previous prime is 3850402273. The next prime is 3850402327. The reversal of 3850402320 is 232040583.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×3850402320² = 29651196051722764800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3850402327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31224 + ... + 93143.

Almost surely, 2^3850402320 is an apocalyptic number.

3850402320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3850402320 is an abundant number, since it is smaller than the sum of its proper divisors (9381357936).

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

3850402320 is a wasteful number, since it uses less digits than its factorization.

3850402320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124429 (or 124420 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 3850402320 is about 62051.6101322117. The cubic root of 3850402320 is about 1567.3597991254.

The spelling of 3850402320 in words is "three billion, eight hundred fifty million, four hundred two thousand, three hundred twenty".