540613266021 has 12 divisors (see below), whose sum is σ = 790770460480. Its totient is φ = 355846706280.

The previous prime is 540613266019. The next prime is 540613266031. The reversal of 540613266021 is 120662316045.

540613266021 is a `hidden beast` number, since 5 + 40 + 6 + 1 + 3 + 2 + 6 + 602 + 1 = 666.

It is not a de Polignac number, because 540613266021 - 2¹ = 540613266019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540613266031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 380177395 + ... + 380178816.

Almost surely, 2^540613266021 is an apocalyptic number.

It is an amenable number.

540613266021 is a deficient number, since it is larger than the sum of its proper divisors (250157194459).

540613266021 is a wasteful number, since it uses less digits than its factorization.

540613266021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760356296 (or 760356293 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 540613266021 in words is "five hundred forty billion, six hundred thirteen million, two hundred sixty-six thousand, twenty-one".