264256262017420 has 24 divisors (see below), whose sum is σ = 555283046606400. Its totient is φ = 105636810260352.

The previous prime is 264256262017273. The next prime is 264256262017439. The reversal of 264256262017420 is 24710262652462.

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, 4105876180 + ... + 4105940539.

It is an arithmetic number, because the mean of its divisors is an integer number (23136793608600).

Almost surely, 2^{264256262017420} is an apocalyptic number.

264256262017420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264256262017420 is an abundant number, since it is smaller than the sum of its proper divisors (291026784588980).

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

264256262017420 is a wasteful number, since it uses less digits than its factorization.

264256262017420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8211818337 (or 8211818335 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 49.

The spelling of 264256262017420 in words is "two hundred sixty-four trillion, two hundred fifty-six billion, two hundred sixty-two million, seventeen thousand, four hundred twenty".