244018298640 has 40 divisors (see below), whose sum is σ = 756456726528. Its totient is φ = 65071546240.

The previous prime is 244018298621. The next prime is 244018298677. The reversal of 244018298640 is 46892810442.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 244018298640.

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, 508371216 + ... + 508371695.

Almost surely, 2^244018298640 is an apocalyptic number.

244018298640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244018298640 is an abundant number, since it is smaller than the sum of its proper divisors (512438427888).

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

244018298640 is a wasteful number, since it uses less digits than its factorization.

244018298640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016742927 (or 1016742921 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 244018298640 in words is "two hundred forty-four billion, eighteen million, two hundred ninety-eight thousand, six hundred forty".