540402020305 has 48 divisors (see below), whose sum is σ = 782859682944. Its totient is φ = 350754105600.

The previous prime is 540402020303. The next prime is 540402020359. The reversal of 540402020305 is 503020204045.

It is not a de Polignac number, because 540402020305 - 2¹ = 540402020303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 540402020305.

It is not an unprimeable number, because it can be changed into a prime (540402020303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15055630 + ... + 15091480.

It is an arithmetic number, because the mean of its divisors is an integer number (16309576728).

Almost surely, 2^540402020305 is an apocalyptic number.

It is an amenable number.

540402020305 is a deficient number, since it is larger than the sum of its proper divisors (242457662639).

540402020305 is a wasteful number, since it uses less digits than its factorization.

540402020305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37094 (or 37075 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The spelling of 540402020305 in words is "five hundred forty billion, four hundred two million, twenty thousand, three hundred five".