44001806690 has 64 divisors (see below), whose sum is σ = 89543874816. Its totient is φ = 15476600832.

The previous prime is 44001806663. The next prime is 44001806701. The reversal of 44001806690 is 9660810044.

44001806690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×44001806690² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37274 + ... + 298986.

It is an arithmetic number, because the mean of its divisors is an integer number (1399123044).

Almost surely, 2^44001806690 is an apocalyptic number.

44001806690 is an abundant number, since it is smaller than the sum of its proper divisors (45542068126).

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

44001806690 is a wasteful number, since it uses less digits than its factorization.

44001806690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261803.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 44001806690 in words is "forty-four billion, one million, eight hundred six thousand, six hundred ninety".