44340621631 has 16 divisors (see below), whose sum is σ = 45652045824. Its totient is φ = 43054187904.

The previous prime is 44340621629. The next prime is 44340621643. The reversal of 44340621631 is 13612604344.

44340621631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 44340621631 - 2¹ = 44340621629 is a prime.

It is a super-2 number, since 2×44340621631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44340622631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1108231 + ... + 1147543.

It is an arithmetic number, because the mean of its divisors is an integer number (2853252864).

Almost surely, 2^44340621631 is an apocalyptic number.

44340621631 is a deficient number, since it is larger than the sum of its proper divisors (1311424193).

44340621631 is a wasteful number, since it uses less digits than its factorization.

44340621631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39630.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 44340621631 in words is "forty-four billion, three hundred forty million, six hundred twenty-one thousand, six hundred thirty-one".