4542490407 has 64 divisors (see below), whose sum is σ = 7718273024. Its totient is φ = 2312271360.

The previous prime is 4542490399. The next prime is 4542490471. The reversal of 4542490407 is 7040942454.

It is not a de Polignac number, because 4542490407 - 2³ = 4542490399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542490507) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1281057 + ... + 1284597.

It is an arithmetic number, because the mean of its divisors is an integer number (120598016).

Almost surely, 2^4542490407 is an apocalyptic number.

4542490407 is a deficient number, since it is larger than the sum of its proper divisors (3175782617).

4542490407 is a wasteful number, since it uses less digits than its factorization.

4542490407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728.

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 4542490407 is about 67398.0000222559. Note that the first 4 decimals coincide. The cubic root of 4542490407 is about 1656.1436595743.

The spelling of 4542490407 in words is "four billion, five hundred forty-two million, four hundred ninety thousand, four hundred seven".