540641464045 has 8 divisors (see below), whose sum is σ = 671141127960. Its totient is φ = 417598923840.

The previous prime is 540641464021. The next prime is 540641464063. The reversal of 540641464045 is 540464146045.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 222740578116 + 317900885929 = 471954^2 + 563827^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 540641464045 - 2²¹ = 540639366893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 540641463992 and 540641464010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1864280766 + ... + 1864281055.

It is an arithmetic number, because the mean of its divisors is an integer number (83892640995).

Almost surely, 2^540641464045 is an apocalyptic number.

It is an amenable number.

540641464045 is a deficient number, since it is larger than the sum of its proper divisors (130499663915).

540641464045 is a wasteful number, since it uses less digits than its factorization.

540641464045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728561855.

The product of its (nonzero) digits is 921600, while the sum is 43.

The spelling of 540641464045 in words is "five hundred forty billion, six hundred forty-one million, four hundred sixty-four thousand, forty-five".