244426740 has 48 divisors (see below), whose sum is σ = 689805312. Its totient is φ = 64665216.

The previous prime is 244426733. The next prime is 244426747. The reversal of 244426740 is 47624442.

It is an interprime number because it is at equal distance from previous prime (244426733) and next prime (244426747).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244426747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8419 + ... + 23658.

It is an arithmetic number, because the mean of its divisors is an integer number (14370944).

Almost surely, 2^244426740 is an apocalyptic number.

244426740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244426740 is an abundant number, since it is smaller than the sum of its proper divisors (445378572).

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

244426740 is a wasteful number, since it uses less digits than its factorization.

244426740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32216 (or 32214 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 33.

The square root of 244426740 is about 15634.1529991234. The cubic root of 244426740 is about 625.2440561528.

The spelling of 244426740 in words is "two hundred forty-four million, four hundred twenty-six thousand, seven hundred forty".