8252415444 has 48 divisors (see below), whose sum is σ = 23699247488. Its totient is φ = 2176460928.

The previous prime is 8252415401. The next prime is 8252415463. The reversal of 8252415444 is 4445142528.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3777487 + ... + 3779670.

Almost surely, 2^8252415444 is an apocalyptic number.

8252415444 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

8252415444 is an abundant number, since it is smaller than the sum of its proper divisors (15446832044).

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

8252415444 is a wasteful number, since it uses less digits than its factorization.

8252415444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7557184 (or 7557182 counting only the distinct ones).

The product of its digits is 204800, while the sum is 39.

The square root of 8252415444 is about 90842.8062314237. The cubic root of 8252415444 is about 2020.8171908457.

The spelling of 8252415444 in words is "eight billion, two hundred fifty-two million, four hundred fifteen thousand, four hundred forty-four".