3972035880 has 320 divisors, whose sum is σ = 14202302400. Its totient is φ = 992839680.

The previous prime is 3972035863. The next prime is 3972035887. The reversal of 3972035880 is 885302793.

3972035880 is a `hidden beast` number, since 397 + 203 + 58 + 8 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (3972035887) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6955995 + ... + 6956565.

It is an arithmetic number, because the mean of its divisors is an integer number (44382195).

Almost surely, 2^3972035880 is an apocalyptic number.

3972035880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3972035880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7101151200).

3972035880 is an abundant number, since it is smaller than the sum of its proper divisors (10230266520).

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

3972035880 is a wasteful number, since it uses less digits than its factorization.

3972035880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 3972035880 is about 63024.0896800581. The cubic root of 3972035880 is about 1583.6932084903.

The spelling of 3972035880 in words is "three billion, nine hundred seventy-two million, thirty-five thousand, eight hundred eighty".