26540412542 has 64 divisors (see below), whose sum is σ = 48408192000. Its totient is φ = 10660419072.

The previous prime is 26540412511. The next prime is 26540412551. The reversal of 26540412542 is 24521404562.

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, 10171334 + ... + 10173942.

It is an arithmetic number, because the mean of its divisors is an integer number (756378000).

Almost surely, 2^26540412542 is an apocalyptic number.

26540412542 is a deficient number, since it is larger than the sum of its proper divisors (21867779458).

26540412542 is a wasteful number, since it uses less digits than its factorization.

26540412542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033.

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 26540412542 in words is "twenty-six billion, five hundred forty million, four hundred twelve thousand, five hundred forty-two".