26634604738 has 192 divisors, whose sum is σ = 52510187520. Its totient is φ = 10059033600.

The previous prime is 26634604721. The next prime is 26634604741. The reversal of 26634604738 is 83740643662.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 26634604691 and 26634604700.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 274583506 + ... + 274583602.

It is an arithmetic number, because the mean of its divisors is an integer number (273490560).

Almost surely, 2^26634604738 is an apocalyptic number.

26634604738 is a deficient number, since it is larger than the sum of its proper divisors (25875582782).

26634604738 is a wasteful number, since it uses less digits than its factorization.

26634604738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 49.

The spelling of 26634604738 in words is "twenty-six billion, six hundred thirty-four million, six hundred four thousand, seven hundred thirty-eight".