26541414564 has 72 divisors (see below), whose sum is σ = 74698360128. Its totient is φ = 7184134080.

The previous prime is 26541414563. The next prime is 26541414587. The reversal of 26541414564 is 46541414562.

It is a happy number.

It is a super-2 number, since 2×26541414564² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (26541414563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 407307 + ... + 467954.

It is an arithmetic number, because the mean of its divisors is an integer number (1037477224).

Almost surely, 2^26541414564 is an apocalyptic number.

It is an amenable number.

26541414564 is an abundant number, since it is smaller than the sum of its proper divisors (48156945564).

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

26541414564 is a wasteful number, since it uses less digits than its factorization.

26541414564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875313 (or 875292 counting only the distinct ones).

The product of its digits is 460800, while the sum is 42.

The spelling of 26541414564 in words is "twenty-six billion, five hundred forty-one million, four hundred fourteen thousand, five hundred sixty-four".