244734260640 has 144 divisors (see below), whose sum is σ = 813623354208. Its totient is φ = 61827558912.

The previous prime is 244734260611. The next prime is 244734260657. The reversal of 244734260640 is 46062437442.

It is a junction number, because it is equal to n+sod(n) for n = 244734260592 and 244734260601.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 532902 + ... + 879461.

It is an arithmetic number, because the mean of its divisors is an integer number (5650162182).

Almost surely, 2^244734260640 is an apocalyptic number.

244734260640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244734260640 is an abundant number, since it is smaller than the sum of its proper divisors (568889093568).

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

244734260640 is a wasteful number, since it uses less digits than its factorization.

244734260640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412419 (or 1412392 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 42.

The spelling of 244734260640 in words is "two hundred forty-four billion, seven hundred thirty-four million, two hundred sixty thousand, six hundred forty".