244026961920 has 936 divisors, whose sum is σ = 1009484395920. Its totient is φ = 54334586880.

The previous prime is 244026961897. The next prime is 244026961951. The reversal of 244026961920 is 29169620442.

244026961920 is a `hidden beast` number, since 2 + 4 + 4 + 0 + 2 + 6 + 9 + 619 + 20 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 370298551 + ... + 370299209.

It is an arithmetic number, because the mean of its divisors is an integer number (1078508970).

Almost surely, 2^244026961920 is an apocalyptic number.

244026961920 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 244026961920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (504742197960).

244026961920 is an abundant number, since it is smaller than the sum of its proper divisors (765457434000).

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

244026961920 is a wasteful number, since it uses less digits than its factorization.

244026961920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 244026961920 in words is "two hundred forty-four billion, twenty-six million, nine hundred sixty-one thousand, nine hundred twenty".