5654642840 has 64 divisors (see below), whose sum is σ = 15862383360. Its totient is φ = 1762485120.

The previous prime is 5654642837. The next prime is 5654642893. The reversal of 5654642840 is 482464565.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 5654642791 and 5654642800.

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, 914882 + ... + 921041.

It is an arithmetic number, because the mean of its divisors is an integer number (247849740).

Almost surely, 2^5654642840 is an apocalyptic number.

It is an amenable number.

5654642840 is an abundant number, since it is smaller than the sum of its proper divisors (10207740520).

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

5654642840 is a wasteful number, since it uses less digits than its factorization.

5654642840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835952 (or 1835948 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 44.

The square root of 5654642840 is about 75197.3592621443. The cubic root of 5654642840 is about 1781.5652225712.

The spelling of 5654642840 in words is "five billion, six hundred fifty-four million, six hundred forty-two thousand, eight hundred forty".