8007045544 has 16 divisors (see below), whose sum is σ = 15066642420. Its totient is φ = 3989274240.

The previous prime is 8007045533. The next prime is 8007045547. The reversal of 8007045544 is 4455407008.

It can be written as a sum of positive squares in 2 ways, for example, as 6887340100 + 1119705444 = 82990^2 + 33462^2 .

It is a super-2 number, since 2×8007045544² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8007045547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1778679 + ... + 1783174.

Almost surely, 2^8007045544 is an apocalyptic number.

It is an amenable number.

8007045544 is a deficient number, since it is larger than the sum of its proper divisors (7059596876).

8007045544 is a wasteful number, since it uses less digits than its factorization.

8007045544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3562140 (or 3562136 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 8007045544 is about 89482.0962204172. The cubic root of 8007045544 is about 2000.5869563909.

The spelling of 8007045544 in words is "eight billion, seven million, forty-five thousand, five hundred forty-four".