44142420000 has 480 divisors, whose sum is σ = 166569080832. Its totient is φ = 10023552000.

The previous prime is 44142419999. The next prime is 44142420011. The reversal of 44142420000 is 2424144.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 95339769 + ... + 95340231.

Almost surely, 2^44142420000 is an apocalyptic number.

44142420000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44142420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83284540416).

44142420000 is an abundant number, since it is smaller than the sum of its proper divisors (122426660832).

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

44142420000 is a wasteful number, since it uses less digits than its factorization.

44142420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 44142420000 its reverse (2424144), we get a palindrome (44144844144).

The spelling of 44142420000 in words is "forty-four billion, one hundred forty-two million, four hundred twenty thousand".