5331021540 has 48 divisors (see below), whose sum is σ = 16075082688. Its totient is φ = 1312251264.

The previous prime is 5331021529. The next prime is 5331021557. The reversal of 5331021540 is 451201335.

It is a self number, because there is not a number n which added to its sum of digits gives 5331021540.

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, 3416542 + ... + 3418101.

It is an arithmetic number, because the mean of its divisors is an integer number (334897556).

Almost surely, 2^5331021540 is an apocalyptic number.

It is an amenable number.

5331021540 is an abundant number, since it is smaller than the sum of its proper divisors (10744061148).

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

5331021540 is a wasteful number, since it uses less digits than its factorization.

5331021540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6834668 (or 6834666 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 5331021540 is about 73013.8448515074. The cubic root of 5331021540 is about 1746.9084508024.

Adding to 5331021540 its reverse (451201335), we get a palindrome (5782222875).

The spelling of 5331021540 in words is "five billion, three hundred thirty-one million, twenty-one thousand, five hundred forty".