44639125340 has 72 divisors (see below), whose sum is σ = 96195939840. Its totient is φ = 17398644480.

The previous prime is 44639125327. The next prime is 44639125381. The reversal of 44639125340 is 4352193644.

It is a super-2 number, since 2×44639125340² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8109029 + ... + 8114531.

It is an arithmetic number, because the mean of its divisors is an integer number (1336054720).

Almost surely, 2^44639125340 is an apocalyptic number.

It is an amenable number.

44639125340 is an abundant number, since it is smaller than the sum of its proper divisors (51556814500).

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

44639125340 is a wasteful number, since it uses less digits than its factorization.

44639125340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5743 (or 5680 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 44639125340 in words is "forty-four billion, six hundred thirty-nine million, one hundred twenty-five thousand, three hundred forty".