44431145040 has 40 divisors (see below), whose sum is σ = 137736550368. Its totient is φ = 11848305280.

The previous prime is 44431144997. The next prime is 44431145041. The reversal of 44431145040 is 4054113444.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 44431144989 and 44431145007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44431145041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92564646 + ... + 92565125.

Almost surely, 2^44431145040 is an apocalyptic number.

44431145040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44431145040 is an abundant number, since it is smaller than the sum of its proper divisors (93305405328).

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

44431145040 is a wasteful number, since it uses less digits than its factorization.

44431145040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185129787 (or 185129781 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 44431145040 its reverse (4054113444), we get a palindrome (48485258484).

The spelling of 44431145040 in words is "forty-four billion, four hundred thirty-one million, one hundred forty-five thousand, forty".