5144932840 has 32 divisors (see below), whose sum is σ = 11578152960. Its totient is φ = 2057608000.

The previous prime is 5144932817. The next prime is 5144932889. The reversal of 5144932840 is 482394415.

It is a super-2 number, since 2×5144932840² = 52940667856220931200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 5144932793 and 5144932802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399705 + ... + 412375.

It is an arithmetic number, because the mean of its divisors is an integer number (361817280).

Almost surely, 2^5144932840 is an apocalyptic number.

It is an amenable number.

5144932840 is an abundant number, since it is smaller than the sum of its proper divisors (6433220120).

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

5144932840 is a wasteful number, since it uses less digits than its factorization.

5144932840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22833 (or 22829 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 5144932840 is about 71728.1872069830. The cubic root of 5144932840 is about 1726.3409403976.

The spelling of 5144932840 in words is "five billion, one hundred forty-four million, nine hundred thirty-two thousand, eight hundred forty".