26156234450 has 24 divisors (see below), whose sum is σ = 48665854308. Its totient is φ = 10459212480.

The previous prime is 26156234437. The next prime is 26156234473. The reversal of 26156234450 is 5443265162.

It can be written as a sum of positive squares in 6 ways, for example, as 10724880721 + 15431353729 = 103561^2 + 124223^2 .

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, 82244 + ... + 243056.

Almost surely, 2^26156234450 is an apocalyptic number.

26156234450 is a deficient number, since it is larger than the sum of its proper divisors (22509619858).

26156234450 is a wasteful number, since it uses less digits than its factorization.

26156234450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164078 (or 164073 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 26156234450 in words is "twenty-six billion, one hundred fifty-six million, two hundred thirty-four thousand, four hundred fifty".