839252040 has 256 divisors, whose sum is σ = 2927232000. Its totient is φ = 190356480.

The previous prime is 839252033. The next prime is 839252077. The reversal of 839252040 is 40252938.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 839251992 and 839252010.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2733567 + ... + 2733873.

It is an arithmetic number, because the mean of its divisors is an integer number (11434500).

Almost surely, 2^839252040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 839252040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1463616000).

839252040 is an abundant number, since it is smaller than the sum of its proper divisors (2087979960).

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

839252040 is a wasteful number, since it uses less digits than its factorization.

839252040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 839252040 is about 28969.8470827859. The cubic root of 839252040 is about 943.2586615995.

The spelling of 839252040 in words is "eight hundred thirty-nine million, two hundred fifty-two thousand, forty".