4139929440 has 120 divisors (see below), whose sum is σ = 14610546720. Its totient is φ = 1103977728.

The previous prime is 4139929439. The next prime is 4139929457. The reversal of 4139929440 is 449299314.

4139929440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 146760 + ... + 172679.

It is an arithmetic number, because the mean of its divisors is an integer number (121754556).

Almost surely, 2^4139929440 is an apocalyptic number.

4139929440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4139929440 is an abundant number, since it is smaller than the sum of its proper divisors (10470617280).

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

4139929440 is a wasteful number, since it uses less digits than its factorization.

4139929440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319466 (or 319449 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 4139929440 is about 64342.2834534181. The cubic root of 4139929440 is about 1605.6996512919.

The spelling of 4139929440 in words is "four billion, one hundred thirty-nine million, nine hundred twenty-nine thousand, four hundred forty".