4306663920 has 80 divisors (see below), whose sum is σ = 14377642272. Its totient is φ = 1060101120.

The previous prime is 4306663919. The next prime is 4306663931. The reversal of 4306663920 is 293666034.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 687051 + ... + 693290.

Almost surely, 2^4306663920 is an apocalyptic number.

4306663920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4306663920 is an abundant number, since it is smaller than the sum of its proper divisors (10070978352).

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

4306663920 is a wasteful number, since it uses less digits than its factorization.

4306663920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380370 (or 1380364 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 39.

The square root of 4306663920 is about 65625.1774854743. The cubic root of 4306663920 is about 1626.9729308524.

The spelling of 4306663920 in words is "four billion, three hundred six million, six hundred sixty-three thousand, nine hundred twenty".