26134577540 has 24 divisors (see below), whose sum is σ = 57268814400. Its totient is φ = 9999316448.

The previous prime is 26134577467. The next prime is 26134577543. The reversal of 26134577540 is 4577543162.

It is a happy number.

It is a super-2 number, since 2×26134577540² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26134577491 and 26134577500.

It is not an unprimeable number, because it can be changed into a prime (26134577543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28406690 + ... + 28407609.

It is an arithmetic number, because the mean of its divisors is an integer number (2386200600).

Almost surely, 2^26134577540 is an apocalyptic number.

26134577540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26134577540 is an abundant number, since it is smaller than the sum of its proper divisors (31134236860).

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

26134577540 is a wasteful number, since it uses less digits than its factorization.

26134577540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56814331 (or 56814329 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 26134577540 in words is "twenty-six billion, one hundred thirty-four million, five hundred seventy-seven thousand, five hundred forty".