5240815905 has 24 divisors (see below), whose sum is σ = 9079950528. Its totient is φ = 2580092736.

The previous prime is 5240815891. The next prime is 5240815919. The reversal of 5240815905 is 5095180425.

It is an interprime number because it is at equal distance from previous prime (5240815891) and next prime (5240815919).

It is not a de Polignac number, because 5240815905 - 2¹¹ = 5240813857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1031157 + ... + 1036226.

It is an arithmetic number, because the mean of its divisors is an integer number (378331272).

Almost surely, 2^5240815905 is an apocalyptic number.

It is an amenable number.

5240815905 is a deficient number, since it is larger than the sum of its proper divisors (3839134623).

5240815905 is a wasteful number, since it uses less digits than its factorization.

5240815905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067417 (or 2067404 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 39.

The square root of 5240815905 is about 72393.4797133001. The cubic root of 5240815905 is about 1736.9992655364. Note that the first 3 decimals are identical.

The spelling of 5240815905 in words is "five billion, two hundred forty million, eight hundred fifteen thousand, nine hundred five".