244401945930 has 96 divisors (see below), whose sum is σ = 643575114000. Its totient is φ = 64343310336.

The previous prime is 244401945923. The next prime is 244401945937. The reversal of 244401945930 is 39549104442.

244401945930 is a `hidden beast` number, since 2 + 4 + 4 + 40 + 19 + 4 + 593 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (244401945923) and next prime (244401945937).

It can be written as a sum of positive squares in 8 ways, for example, as 93630492081 + 150771453849 = 305991^2 + 388293^2 .

It is a super-2 number, since 2×244401945930² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (244401945937) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3536346 + ... + 3604794.

Almost surely, 2^244401945930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244401945930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321787557000).

244401945930 is an abundant number, since it is smaller than the sum of its proper divisors (399173168070).

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

244401945930 is a wasteful number, since it uses less digits than its factorization.

244401945930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68968 (or 68965 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 244401945930 in words is "two hundred forty-four billion, four hundred one million, nine hundred forty-five thousand, nine hundred thirty".