44120402142 has 32 divisors (see below), whose sum is σ = 92099089152. Its totient is φ = 14064055104.

The previous prime is 44120402111. The next prime is 44120402143. The reversal of 44120402142 is 24120402144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44120402143) 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, 586498 + ... + 657434.

It is an arithmetic number, because the mean of its divisors is an integer number (2878096536).

Almost surely, 2^44120402142 is an apocalyptic number.

44120402142 is an abundant number, since it is smaller than the sum of its proper divisors (47978687010).

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

44120402142 is a wasteful number, since it uses less digits than its factorization.

44120402142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75472.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 44120402142 its reverse (24120402144), we get a palindrome (68240804286).

The spelling of 44120402142 in words is "forty-four billion, one hundred twenty million, four hundred two thousand, one hundred forty-two".