3881730406320 has 240 divisors, whose sum is σ = 14177927679552. Its totient is φ = 946042214400.

The previous prime is 3881730406297. The next prime is 3881730406349. The reversal of 3881730406320 is 236040371883.

3881730406320 is a `hidden beast` number, since 3 + 8 + 8 + 1 + 7 + 3 + 0 + 4 + 0 + 632 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1107684 + ... + 2998403.

Almost surely, 2^{3881730406320} is an apocalyptic number.

3881730406320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3881730406320 is an abundant number, since it is smaller than the sum of its proper divisors (10296197273232).

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

3881730406320 is a wasteful number, since it uses less digits than its factorization.

3881730406320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4106220 (or 4106211 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 3881730406320 in words is "three trillion, eight hundred eighty-one billion, seven hundred thirty million, four hundred six thousand, three hundred twenty".