7534444816 has 20 divisors (see below), whose sum is σ = 14599352412. Its totient is φ = 3766870016.

The previous prime is 7534444807. The next prime is 7534444831. The reversal of 7534444816 is 6184444357.

It can be written as a sum of positive squares in 2 ways, for example, as 1302921216 + 6231523600 = 36096^2 + 78940^2 .

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, 279216 + ... + 305008.

Almost surely, 2^7534444816 is an apocalyptic number.

It is an amenable number.

7534444816 is a deficient number, since it is larger than the sum of its proper divisors (7064907596).

7534444816 is a wasteful number, since it uses less digits than its factorization.

7534444816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44058 (or 44052 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 46.

The square root of 7534444816 is about 86801.1798076501. The cubic root of 7534444816 is about 1960.4258424990.

The spelling of 7534444816 in words is "seven billion, five hundred thirty-four million, four hundred forty-four thousand, eight hundred sixteen".