44363921940 has 672 divisors, whose sum is σ = 161236561920. Its totient is φ = 10158317568.

The previous prime is 44363921911. The next prime is 44363921969. The reversal of 44363921940 is 4912936344.

44363921940 is a `hidden beast` number, since 4 + 4 + 3 + 639 + 2 + 1 + 9 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (44363921911) and next prime (44363921969).

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 223 ways as a sum of consecutive naturals, for example, 349322157 + ... + 349322283.

It is an arithmetic number, because the mean of its divisors is an integer number (239935360).

Almost surely, 2^44363921940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44363921940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80618280960).

44363921940 is an abundant number, since it is smaller than the sum of its proper divisors (116872639980).

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

44363921940 is a wasteful number, since it uses less digits than its factorization.

44363921940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 44363921940 in words is "forty-four billion, three hundred sixty-three million, nine hundred twenty-one thousand, nine hundred forty".