44140423420 has 48 divisors (see below), whose sum is σ = 97639920000. Its totient is φ = 16715522880.

The previous prime is 44140423391. The next prime is 44140423441. The reversal of 44140423420 is 2432404144.

It is a super-4 number, since 4×44140423420⁴ (a number of 44 digits) contains 4444 as substring.

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, 530875 + ... + 608365.

It is an arithmetic number, because the mean of its divisors is an integer number (2034165000).

Almost surely, 2^44140423420 is an apocalyptic number.

It is an amenable number.

44140423420 is an abundant number, since it is smaller than the sum of its proper divisors (53499496580).

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

44140423420 is a wasteful number, since it uses less digits than its factorization.

44140423420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79018 (or 79016 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 44140423420 its reverse (2432404144), we get a palindrome (46572827564).

The spelling of 44140423420 in words is "forty-four billion, one hundred forty million, four hundred twenty-three thousand, four hundred twenty".