44219531970 has 96 divisors (see below), whose sum is σ = 118115852400. Its totient is φ = 11470970880.

The previous prime is 44219531927. The next prime is 44219531977. The reversal of 44219531970 is 7913591244.

44219531970 is a `hidden beast` number, since 4 + 4 + 21 + 9 + 531 + 97 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 11079878121 + 33139653849 = 105261^2 + 182043^2 .

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 (44219531977) 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, 1270642 + ... + 1304978.

Almost surely, 2^44219531970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44219531970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59057926200).

44219531970 is an abundant number, since it is smaller than the sum of its proper divisors (73896320430).

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

44219531970 is a wasteful number, since it uses less digits than its factorization.

44219531970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34740 (or 34737 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 44219531970 in words is "forty-four billion, two hundred nineteen million, five hundred thirty-one thousand, nine hundred seventy".