264340252521051 has 32 divisors (see below), whose sum is σ = 442439389655040. Its totient is φ = 136879686165024.

The previous prime is 264340252521041. The next prime is 264340252521131. The reversal of 264340252521051 is 150125252043462.

It is not a de Polignac number, because 264340252521051 - 2⁶ = 264340252520987 is a prime.

It is a super-2 number, since 2×264340252521051² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 264340252520994 and 264340252521012.

It is not an unprimeable number, because it can be changed into a prime (264340252521001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14402314705 + ... + 14402333058.

It is an arithmetic number, because the mean of its divisors is an integer number (13826230926720).

Almost surely, 2^{264340252521051} is an apocalyptic number.

264340252521051 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

264340252521051 is a deficient number, since it is larger than the sum of its proper divisors (178099137133989).

264340252521051 is a wasteful number, since it uses less digits than its factorization.

264340252521051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28804647815.

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 264340252521051 in words is "two hundred sixty-four trillion, three hundred forty billion, two hundred fifty-two million, five hundred twenty-one thousand, fifty-one".