7538449080 has 64 divisors (see below), whose sum is σ = 23395197600. Its totient is φ = 1940933120.

The previous prime is 7538449033. The next prime is 7538449141. The reversal of 7538449080 is 809448357.

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, 1079631 + ... + 1086590.

Almost surely, 2^7538449080 is an apocalyptic number.

It is an amenable number.

7538449080 is an abundant number, since it is smaller than the sum of its proper divisors (15856748520).

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

7538449080 is a wasteful number, since it uses less digits than its factorization.

7538449080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166264 (or 2166260 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 7538449080 is about 86824.2424671819. The cubic root of 7538449080 is about 1960.7730776553.

The spelling of 7538449080 in words is "seven billion, five hundred thirty-eight million, four hundred forty-nine thousand, eighty".