44631413645 has 24 divisors (see below), whose sum is σ = 66279355776. Its totient is φ = 28250209728.

The previous prime is 44631413633. The next prime is 44631413657. The reversal of 44631413645 is 54631413644.

44631413645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (44631413633) and next prime (44631413657).

It is not a de Polignac number, because 44631413645 - 2¹⁶ = 44631348109 is a prime.

It is a super-3 number, since 3×44631413645³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

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, 3766817 + ... + 3778646.

It is an arithmetic number, because the mean of its divisors is an integer number (2761639824).

Almost surely, 2^44631413645 is an apocalyptic number.

It is an amenable number.

44631413645 is a deficient number, since it is larger than the sum of its proper divisors (21647942131).

44631413645 is a wasteful number, since it uses less digits than its factorization.

44631413645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7545501 (or 7545488 counting only the distinct ones).

The product of its digits is 414720, while the sum is 41.

Subtracting 44631413645 from its reverse (54631413644), we obtain a palindrome (9999999999).

The spelling of 44631413645 in words is "forty-four billion, six hundred thirty-one million, four hundred thirteen thousand, six hundred forty-five".