5642180408 has 8 divisors (see below), whose sum is σ = 10579088280. Its totient is φ = 2821090200.

The previous prime is 5642180399. The next prime is 5642180413. The reversal of 5642180408 is 8040812465.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352636268 + ... + 352636283.

It is an arithmetic number, because the mean of its divisors is an integer number (1322386035).

Almost surely, 2^5642180408 is an apocalyptic number.

It is an amenable number.

5642180408 is a deficient number, since it is larger than the sum of its proper divisors (4936907872).

5642180408 is a wasteful number, since it uses less digits than its factorization.

5642180408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705272557 (or 705272553 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 5642180408 is about 75114.4487299215. The cubic root of 5642180408 is about 1780.2554453916.

The spelling of 5642180408 in words is "five billion, six hundred forty-two million, one hundred eighty thousand, four hundred eight".