540634442535 has 24 divisors (see below), whose sum is σ = 1022290583184. Its totient is φ = 262125790080.

The previous prime is 540634442501. The next prime is 540634442539. The reversal of 540634442535 is 535244436045.

540634442535 is a `hidden beast` number, since 5 + 4 + 0 + 634 + 4 + 4 + 2 + 5 + 3 + 5 = 666.

It is not a de Polignac number, because 540634442535 - 2⁷ = 540634442407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540634442539) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 546094902 + ... + 546095891.

It is an arithmetic number, because the mean of its divisors is an integer number (42595440966).

Almost surely, 2^540634442535 is an apocalyptic number.

540634442535 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

540634442535 is a deficient number, since it is larger than the sum of its proper divisors (481656140649).

540634442535 is a wasteful number, since it uses less digits than its factorization.

540634442535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092190815 (or 1092190812 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 45.

The spelling of 540634442535 in words is "five hundred forty billion, six hundred thirty-four million, four hundred forty-two thousand, five hundred thirty-five".