264401052601 has 24 divisors (see below), whose sum is σ = 315128348640. Its totient is φ = 221061153600.

The previous prime is 264401052599. The next prime is 264401052703. The reversal of 264401052601 is 106250104462.

It is a happy number.

It is not a de Polignac number, because 264401052601 - 2¹ = 264401052599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (264401052001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16423566 + ... + 16439656.

It is an arithmetic number, because the mean of its divisors is an integer number (13130347860).

Almost surely, 2^264401052601 is an apocalyptic number.

It is an amenable number.

264401052601 is a deficient number, since it is larger than the sum of its proper divisors (50727296039).

264401052601 is a wasteful number, since it uses less digits than its factorization.

264401052601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24325 (or 24318 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 264401052601 in words is "two hundred sixty-four billion, four hundred one million, fifty-two thousand, six hundred one".