264337247240 has 128 divisors (see below), whose sum is σ = 655436707200. Its totient is φ = 95145338880.

The previous prime is 264337247219. The next prime is 264337247269. The reversal of 264337247240 is 42742733462.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 264337247191 and 264337247200.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62681612 + ... + 62685828.

It is an arithmetic number, because the mean of its divisors is an integer number (5120599275).

Almost surely, 2^264337247240 is an apocalyptic number.

264337247240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264337247240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327718353600).

264337247240 is an abundant number, since it is smaller than the sum of its proper divisors (391099459960).

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

264337247240 is a wasteful number, since it uses less digits than its factorization.

264337247240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5655 (or 5651 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 44.

The spelling of 264337247240 in words is "two hundred sixty-four billion, three hundred thirty-seven million, two hundred forty-seven thousand, two hundred forty".