5151204540 has 72 divisors (see below), whose sum is σ = 15724931040. Its totient is φ = 1364897664.

The previous prime is 5151204473. The next prime is 5151204557. The reversal of 5151204540 is 454021515.

5151204540 is a `hidden beast` number, since 51 + 51 + 20 + 4 + 540 = 666.

It is a super-2 number, since 2×5151204540² = 53069816425833223200, which contains 22 as substring.

It is a congruent number.

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, 62880 + ... + 119399.

It is an arithmetic number, because the mean of its divisors is an integer number (218401820).

Almost surely, 2^5151204540 is an apocalyptic number.

It is an amenable number.

5151204540 is an abundant number, since it is smaller than the sum of its proper divisors (10573726500).

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

5151204540 is a wasteful number, since it uses less digits than its factorization.

5151204540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182451 (or 182446 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 5151204540 is about 71771.8924092155. The cubic root of 5151204540 is about 1727.0421284313.

The spelling of 5151204540 in words is "five billion, one hundred fifty-one million, two hundred four thousand, five hundred forty".