44140020 has 48 divisors (see below), whose sum is σ = 123950400. Its totient is φ = 11736576.

The previous prime is 44140009. The next prime is 44140039. The reversal of 44140020 is 2004144.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25131 + ... + 26829.

It is an arithmetic number, because the mean of its divisors is an integer number (2582300).

Almost surely, 2^44140020 is an apocalyptic number.

It is an amenable number.

44140020 is an abundant number, since it is smaller than the sum of its proper divisors (79810380).

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

44140020 is a wasteful number, since it uses less digits than its factorization.

44140020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144 (or 2142 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 44140020 is about 6643.7956019131. The cubic root of 44140020 is about 353.4089213704.

Adding to 44140020 its reverse (2004144), we get a palindrome (46144164).

The spelling of 44140020 in words is "forty-four million, one hundred forty thousand, twenty".