26505392802 has 16 divisors (see below), whose sum is σ = 60583755072. Its totient is φ = 7572969360.

The previous prime is 26505392789. The next prime is 26505392807. The reversal of 26505392802 is 20829350562.

It is a super-2 number, since 2×26505392802² (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), and also a Moran number because the ratio is a prime number: 631080781 = 26505392802 / (2 + 6 + 5 + 0 + 5 + 3 + 9 + 2 + 8 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (26505392807) 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, 315540349 + ... + 315540432.

It is an arithmetic number, because the mean of its divisors is an integer number (3786484692).

Almost surely, 2^26505392802 is an apocalyptic number.

26505392802 is an abundant number, since it is smaller than the sum of its proper divisors (34078362270).

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

26505392802 is a wasteful number, since it uses less digits than its factorization.

26505392802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631080793.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 26505392802 in words is "twenty-six billion, five hundred five million, three hundred ninety-two thousand, eight hundred two".