540262406556 has 18 divisors (see below), whose sum is σ = 1365663305552. Its totient is φ = 180087468840.

The previous prime is 540262406539. The next prime is 540262406569. The reversal of 540262406556 is 655604262045.

540262406556 is a `hidden beast` number, since 54 + 0 + 2 + 6 + 2 + 40 + 6 + 556 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×540262406556² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7503644500 + ... + 7503644571.

Almost surely, 2^540262406556 is an apocalyptic number.

It is an amenable number.

540262406556 is an abundant number, since it is smaller than the sum of its proper divisors (825400898996).

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

540262406556 is a wasteful number, since it uses less digits than its factorization.

540262406556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15007289081 (or 15007289076 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 540262406556 in words is "five hundred forty billion, two hundred sixty-two million, four hundred six thousand, five hundred fifty-six".