244456740 has 144 divisors (see below), whose sum is σ = 813548736. Its totient is φ = 58924800.

The previous prime is 244456739. The next prime is 244456759. The reversal of 244456740 is 47654442.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 244456695 and 244456704.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 655194 + ... + 655566.

It is an arithmetic number, because the mean of its divisors is an integer number (5649644).

Almost surely, 2^244456740 is an apocalyptic number.

244456740 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 244456740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406774368).

244456740 is an abundant number, since it is smaller than the sum of its proper divisors (569091996).

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

244456740 is a wasteful number, since it uses less digits than its factorization.

244456740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

The square root of 244456740 is about 15635.1124076548. The cubic root of 244456740 is about 625.2696351250.

The spelling of 244456740 in words is "two hundred forty-four million, four hundred fifty-six thousand, seven hundred forty".