3880601640 has 96 divisors (see below), whose sum is σ = 12619811880. Its totient is φ = 1034182656.

The previous prime is 3880601639. The next prime is 3880601663. The reversal of 3880601640 is 461060883.

It is a happy number.

3880601640 is a `hidden beast` number, since 3 + 8 + 8 + 0 + 6 + 0 + 1 + 640 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3346159716 + 534441924 = 57846^2 + 23118^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3880601595 and 3880601604.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 954492 + ... + 958548.

Almost surely, 2^3880601640 is an apocalyptic number.

3880601640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3880601640 is an abundant number, since it is smaller than the sum of its proper divisors (8739210240).

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

3880601640 is a wasteful number, since it uses less digits than its factorization.

3880601640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6731 (or 6724 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 3880601640 is about 62294.4751964410. The cubic root of 3880601640 is about 1571.4468169940.

The spelling of 3880601640 in words is "three billion, eight hundred eighty million, six hundred one thousand, six hundred forty".