6390377352 has 36 divisors (see below), whose sum is σ = 17309109285. Its totient is φ = 2129899680.

The previous prime is 6390377341. The next prime is 6390377381. The reversal of 6390377352 is 2537730936.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

6390377352 is a `hidden beast` number, since 639 + 0 + 3 + 7 + 7 + 3 + 5 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6188339556 + 202037796 = 78666^2 + 14214^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=56526.

It is a junction number, because it is equal to n+sod(n) for n = 6390377298 and 6390377307.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 673602 + ... + 683022.

Almost surely, 2^6390377352 is an apocalyptic number.

It is an amenable number.

6390377352 is an abundant number, since it is smaller than the sum of its proper divisors (10918731933).

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

6390377352 is an frugal number, since it uses more digits than its factorization.

6390377352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18854 (or 9426 counting only the distinct ones).

The product of its (nonzero) digits is 714420, while the sum is 45.

The square root of 6390377352 is about 79939.8358267016. The cubic root of 6390377352 is about 1855.7045588806.

The spelling of 6390377352 in words is "six billion, three hundred ninety million, three hundred seventy-seven thousand, three hundred fifty-two".