540406131126 has 64 divisors (see below), whose sum is σ = 1154775916800. Its totient is φ = 168110868096.

The previous prime is 540406131113. The next prime is 540406131143. The reversal of 540406131126 is 621131604045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2024005 + ... + 2275391.

It is an arithmetic number, because the mean of its divisors is an integer number (18043373700).

Almost surely, 2^540406131126 is an apocalyptic number.

540406131126 is an abundant number, since it is smaller than the sum of its proper divisors (614369785674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540406131126 is a wasteful number, since it uses less digits than its factorization.

540406131126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251693.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 540406131126 in words is "five hundred forty billion, four hundred six million, one hundred thirty-one thousand, one hundred twenty-six".