26560142040 has 32 divisors (see below), whose sum is σ = 79680426480. Its totient is φ = 7082704512.

The previous prime is 26560142023. The next prime is 26560142113. The reversal of 26560142040 is 4024106562.

It is a super-2 number, since 2×26560142040² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 26560141989 and 26560142007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110667139 + ... + 110667378.

Almost surely, 2^26560142040 is an apocalyptic number.

26560142040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26560142040 is an abundant number, since it is smaller than the sum of its proper divisors (53120284440).

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

26560142040 is a wasteful number, since it uses less digits than its factorization.

26560142040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221334531 (or 221334527 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 26560142040 in words is "twenty-six billion, five hundred sixty million, one hundred forty-two thousand, forty".