44421532340 has 48 divisors (see below), whose sum is σ = 94022998608. Its totient is φ = 17628585984.

The previous prime is 44421532297. The next prime is 44421532417. The reversal of 44421532340 is 4323512444.

It can be written as a sum of positive squares in 8 ways, for example, as 7103792656 + 37317739684 = 84284^2 + 193178^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44421532297 and 44421532306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1424354 + ... + 1455206.

It is an arithmetic number, because the mean of its divisors is an integer number (1958812471).

Almost surely, 2^44421532340 is an apocalyptic number.

It is an amenable number.

44421532340 is an abundant number, since it is smaller than the sum of its proper divisors (49601466268).

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

44421532340 is a wasteful number, since it uses less digits than its factorization.

44421532340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31428 (or 31426 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

The spelling of 44421532340 in words is "forty-four billion, four hundred twenty-one million, five hundred thirty-two thousand, three hundred forty".