8124253444 has 12 divisors (see below), whose sum is σ = 14223617100. Its totient is φ = 4060362848.

The previous prime is 8124253399. The next prime is 8124253469. The reversal of 8124253444 is 4443524218.

It can be written as a sum of positive squares in 2 ways, for example, as 6561000000 + 1563253444 = 81000^2 + 39538^2 .

It is a super-2 number, since 2×8124253444² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430579 + ... + 449050.

It is an arithmetic number, because the mean of its divisors is an integer number (1185301425).

Almost surely, 2^8124253444 is an apocalyptic number.

It is an amenable number.

8124253444 is a deficient number, since it is larger than the sum of its proper divisors (6099363656).

8124253444 is a wasteful number, since it uses less digits than its factorization.

8124253444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881942 (or 881940 counting only the distinct ones).

The product of its digits is 122880, while the sum is 37.

The square root of 8124253444 is about 90134.6406438723. The cubic root of 8124253444 is about 2010.3013041380.

The spelling of 8124253444 in words is "eight billion, one hundred twenty-four million, two hundred fifty-three thousand, four hundred forty-four".