2540727367479 has 48 divisors (see below), whose sum is σ = 4242806568000. Its totient is φ = 1435035875328.

The previous prime is 2540727367433. The next prime is 2540727367499. The reversal of 2540727367479 is 9747637270452.

2540727367479 is a `hidden beast` number, since 2 + 540 + 7 + 27 + 3 + 67 + 4 + 7 + 9 = 666.

It is not a de Polignac number, because 2540727367479 - 2⁷ = 2540727367351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540727367499) 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, 16480747 + ... + 16634195.

It is an arithmetic number, because the mean of its divisors is an integer number (88391803500).

Almost surely, 2^{2540727367479} is an apocalyptic number.

2540727367479 is a deficient number, since it is larger than the sum of its proper divisors (1702079200521).

2540727367479 is a wasteful number, since it uses less digits than its factorization.

2540727367479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156504 (or 156501 counting only the distinct ones).

The product of its (nonzero) digits is 124467840, while the sum is 63.

The spelling of 2540727367479 in words is "two trillion, five hundred forty billion, seven hundred twenty-seven million, three hundred sixty-seven thousand, four hundred seventy-nine".