5642044454 has 12 divisors (see below), whose sum is σ = 8744878332. Its totient is φ = 2730020580.

The previous prime is 5642044451. The next prime is 5642044489. The reversal of 5642044454 is 4544402465.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5642044451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1465832 + ... + 1469675.

It is an arithmetic number, because the mean of its divisors is an integer number (728739861).

Almost surely, 2^5642044454 is an apocalyptic number.

5642044454 is a deficient number, since it is larger than the sum of its proper divisors (3102833878).

5642044454 is a wasteful number, since it uses less digits than its factorization.

5642044454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2935571 (or 2935540 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 38.

The square root of 5642044454 is about 75113.5437454525. The cubic root of 5642044454 is about 1780.2411462628.

The spelling of 5642044454 in words is "five billion, six hundred forty-two million, forty-four thousand, four hundred fifty-four".