264213340442340 has 24 divisors (see below), whose sum is σ = 739797353238720. Its totient is φ = 70456890784608.

The previous prime is 264213340442339. The next prime is 264213340442431. The reversal of 264213340442340 is 43244043312462.

It is a super-3 number, since 3×264213340442340³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 264213340442292 and 264213340442301.

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, 2201777836960 + ... + 2201777837079.

It is an arithmetic number, because the mean of its divisors is an integer number (30824889718280).

Almost surely, 2^{264213340442340} is an apocalyptic number.

264213340442340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264213340442340 is an abundant number, since it is smaller than the sum of its proper divisors (475584012796380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

264213340442340 is a wasteful number, since it uses less digits than its factorization.

264213340442340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4403555674051 (or 4403555674049 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 42.

The spelling of 264213340442340 in words is "two hundred sixty-four trillion, two hundred thirteen billion, three hundred forty million, four hundred forty-two thousand, three hundred forty".