264440246660542 has 16 divisors (see below), whose sum is σ = 396690648594912. Its totient is φ = 132210030883840.

The previous prime is 264440246660533. The next prime is 264440246660543. The reversal of 264440246660542 is 245066642044462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264440246660543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1774299258 + ... + 1774448290.

It is an arithmetic number, because the mean of its divisors is an integer number (24793165537182).

Almost surely, 2^{264440246660542} is an apocalyptic number.

264440246660542 is a deficient number, since it is larger than the sum of its proper divisors (132250401934370).

264440246660542 is a wasteful number, since it uses less digits than its factorization.

264440246660542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210803.

The product of its (nonzero) digits is 53084160, while the sum is 55.

The spelling of 264440246660542 in words is "two hundred sixty-four trillion, four hundred forty billion, two hundred forty-six million, six hundred sixty thousand, five hundred forty-two".