4542490404 has 81 divisors (see below), whose sum is σ = 11781203707. Its totient is φ = 1475746608.

The previous prime is 4542490399. The next prime is 4542490471. The reversal of 4542490404 is 4040942454.

It is a happy number.

The square root of 4542490404 is 67398.

It is a perfect power (a square), and thus also a powerful number.

4542490404 is a `hidden beast` number, since 4 + 5 + 4 + 249 + 0 + 404 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 19006117 + ... + 19006355.

Almost surely, 2^4542490404 is an apocalyptic number.

4542490404 is the 67398-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4542490404

4542490404 is an abundant number, since it is smaller than the sum of its proper divisors (7238713303).

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

4542490404 is a wasteful number, since it uses less digits than its factorization.

4542490404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The cubic root of 4542490404 is about 1656.1436592097.

Multiplying 4542490404 by its sum of digits (36), we get a square (163529654544 = 404388²).

4542490404 divided by its sum of digits (36) gives a square (126180289 = 11233²).

The spelling of 4542490404 in words is "four billion, five hundred forty-two million, four hundred ninety thousand, four hundred four".