540256651624 has 8 divisors (see below), whose sum is σ = 1012981221810. Its totient is φ = 270128325808.

The previous prime is 540256651607. The next prime is 540256651631. The reversal of 540256651624 is 426156652045.

It can be written as a sum of positive squares in only one way, i.e., 503080955524 + 37175696100 = 709282^2 + 192810^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×540256651624² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33766040719 + ... + 33766040734.

Almost surely, 2^540256651624 is an apocalyptic number.

It is an amenable number.

540256651624 is a deficient number, since it is larger than the sum of its proper divisors (472724570186).

540256651624 is a wasteful number, since it uses less digits than its factorization.

540256651624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67532081459 (or 67532081455 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 540256651624 in words is "five hundred forty billion, two hundred fifty-six million, six hundred fifty-one thousand, six hundred twenty-four".