26493615650 has 24 divisors (see below), whose sum is σ = 50326600320. Its totient is φ = 10371967760.

The previous prime is 26493615641. The next prime is 26493615683. The reversal of 26493615650 is 5651639462.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 26493615595 and 26493615604.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5634590 + ... + 5639289.

It is an arithmetic number, because the mean of its divisors is an integer number (2096941680).

Almost surely, 2^26493615650 is an apocalyptic number.

26493615650 is a deficient number, since it is larger than the sum of its proper divisors (23832984670).

26493615650 is a wasteful number, since it uses less digits than its factorization.

26493615650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11273938 (or 11273933 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 26493615650 in words is "twenty-six billion, four hundred ninety-three million, six hundred fifteen thousand, six hundred fifty".