26540747542 has 32 divisors (see below), whose sum is σ = 40670968320. Its totient is φ = 12986207520.

The previous prime is 26540747501. The next prime is 26540747593. The reversal of 26540747542 is 24574704562.

It is a super-2 number, since 2×26540747542² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26540747492 and 26540747501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36913059 + ... + 36913777.

It is an arithmetic number, because the mean of its divisors is an integer number (1270967760).

Almost surely, 2^26540747542 is an apocalyptic number.

26540747542 is a deficient number, since it is larger than the sum of its proper divisors (14130220778).

26540747542 is a wasteful number, since it uses less digits than its factorization.

26540747542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908.

The product of its (nonzero) digits is 1881600, while the sum is 46.

The spelling of 26540747542 in words is "twenty-six billion, five hundred forty million, seven hundred forty-seven thousand, five hundred forty-two".