264007140257 has 16 divisors (see below), whose sum is σ = 307499092992. Its totient is φ = 222000417360.

The previous prime is 264007140251. The next prime is 264007140269. The reversal of 264007140257 is 752041700462.

It is a cyclic number.

It is not a de Polignac number, because 264007140257 - 2³⁰ = 262933398433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264007140257.

It is not an unprimeable number, because it can be changed into a prime (264007140251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1633919 + ... + 1788212.

It is an arithmetic number, because the mean of its divisors is an integer number (19218693312).

Almost surely, 2^264007140257 is an apocalyptic number.

It is an amenable number.

264007140257 is a deficient number, since it is larger than the sum of its proper divisors (43491952735).

264007140257 is a wasteful number, since it uses less digits than its factorization.

264007140257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422348.

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 264007140257 in words is "two hundred sixty-four billion, seven million, one hundred forty thousand, two hundred fifty-seven".