44402242440 has 64 divisors (see below), whose sum is σ = 138998332800. Its totient is φ = 11325788672.

The previous prime is 44402242439. The next prime is 44402242447. The reversal of 44402242440 is 4424220444.

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 = 44402242398 and 44402242407.

It is not an unprimeable number, because it can be changed into a prime (44402242447) 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, 8041125 + ... + 8046644.

It is an arithmetic number, because the mean of its divisors is an integer number (2171848950).

Almost surely, 2^44402242440 is an apocalyptic number.

44402242440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44402242440 is an abundant number, since it is smaller than the sum of its proper divisors (94596090360).

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

44402242440 is a wasteful number, since it uses less digits than its factorization.

44402242440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16087806 (or 16087802 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 44402242440 its reverse (4424220444), we get a palindrome (48826462884).

The spelling of 44402242440 in words is "forty-four billion, four hundred two million, two hundred forty-two thousand, four hundred forty".