264405326301831 has 96 divisors (see below), whose sum is σ = 442209570566400. Its totient is φ = 138819019622400.

The previous prime is 264405326301817. The next prime is 264405326301833. The reversal of 264405326301831 is 138103623504462.

It is a happy number.

It is not a de Polignac number, because 264405326301831 - 2¹³ = 264405326293639 is a prime.

It is a super-2 number, since 2×264405326301831² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264405326301833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29092896 + ... + 37083786.

It is an arithmetic number, because the mean of its divisors is an integer number (4606349693400).

Almost surely, 2^{264405326301831} is an apocalyptic number.

264405326301831 is a deficient number, since it is larger than the sum of its proper divisors (177804244264569).

264405326301831 is a wasteful number, since it uses less digits than its factorization.

264405326301831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7991297 (or 7991284 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 264405326301831 in words is "two hundred sixty-four trillion, four hundred five billion, three hundred twenty-six million, three hundred one thousand, eight hundred thirty-one".