264435126140245 has 8 divisors (see below), whose sum is σ = 320463954847800. Its totient is φ = 209453565259200.

The previous prime is 264435126140231. The next prime is 264435126140257. The reversal of 264435126140245 is 542041621534462.

It can be written as a sum of positive squares in 4 ways, for example, as 21108134620881 + 243326991519364 = 4594359^2 + 15598942^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 264435126140245 - 2¹⁹ = 264435125615957 is a prime.

It is a super-2 number, since 2×264435126140245² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261816956070 + ... + 261816957079.

It is an arithmetic number, because the mean of its divisors is an integer number (40057994355975).

Almost surely, 2^{264435126140245} is an apocalyptic number.

It is an amenable number.

264435126140245 is a deficient number, since it is larger than the sum of its proper divisors (56028828707555).

264435126140245 is a wasteful number, since it uses less digits than its factorization.

264435126140245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523633913255.

The product of its (nonzero) digits is 5529600, while the sum is 49.

The spelling of 264435126140245 in words is "two hundred sixty-four trillion, four hundred thirty-five billion, one hundred twenty-six million, one hundred forty thousand, two hundred forty-five".