3921159480 has 128 divisors (see below), whose sum is σ = 14234849280. Its totient is φ = 843540480.

The previous prime is 3921159401. The next prime is 3921159491. The reversal of 3921159480 is 849511293.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123016 + ... + 151575.

It is an arithmetic number, because the mean of its divisors is an integer number (111209760).

Almost surely, 2^3921159480 is an apocalyptic number.

3921159480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3921159480 is an abundant number, since it is smaller than the sum of its proper divisors (10313689800).

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

3921159480 is a wasteful number, since it uses less digits than its factorization.

3921159480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274629 (or 274625 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 3921159480 is about 62619.1622428790. The cubic root of 3921159480 is about 1576.9024770451.

The spelling of 3921159480 in words is "three billion, nine hundred twenty-one million, one hundred fifty-nine thousand, four hundred eighty".