26457504745 has 32 divisors (see below), whose sum is σ = 37489305600. Its totient is φ = 17540997120.

The previous prime is 26457504727. The next prime is 26457504761. The reversal of 26457504745 is 54740575462.

It is not a de Polignac number, because 26457504745 - 2¹¹ = 26457502697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1240431 + ... + 1261579.

It is an arithmetic number, because the mean of its divisors is an integer number (1171540800).

Almost surely, 2^26457504745 is an apocalyptic number.

It is an amenable number.

26457504745 is a deficient number, since it is larger than the sum of its proper divisors (11031800855).

26457504745 is a wasteful number, since it uses less digits than its factorization.

26457504745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22345.

The product of its (nonzero) digits is 4704000, while the sum is 49.

The spelling of 26457504745 in words is "twenty-six billion, four hundred fifty-seven million, five hundred four thousand, seven hundred forty-five".