26240464044 has 18 divisors (see below), whose sum is σ = 66330061980. Its totient is φ = 8746821336.

The previous prime is 26240464037. The next prime is 26240464057. The reversal of 26240464044 is 44046404262.

26240464044 is a `hidden beast` number, since 2 + 6 + 2 + 4 + 0 + 4 + 640 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 728901779 = 26240464044 / (2 + 6 + 2 + 4 + 0 + 4 + 6 + 4 + 0 + 4 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 364450854 + ... + 364450925.

Almost surely, 2^26240464044 is an apocalyptic number.

It is an amenable number.

26240464044 is an abundant number, since it is smaller than the sum of its proper divisors (40089597936).

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

26240464044 is a wasteful number, since it uses less digits than its factorization.

26240464044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728901789 (or 728901784 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

The spelling of 26240464044 in words is "twenty-six billion, two hundred forty million, four hundred sixty-four thousand, forty-four".