44422420402400 has 72 divisors (see below), whose sum is σ = 108524763829944. Its totient is φ = 17756100979200.

The previous prime is 44422420402351. The next prime is 44422420402421. The reversal of 44422420402400 is 420402422444.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18999482 + ... + 21209081.

It is an arithmetic number, because the mean of its divisors is an integer number (1507288386527).

Almost surely, 2^{44422420402400} is an apocalyptic number.

44422420402400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44422420402400 is an abundant number, since it is smaller than the sum of its proper divisors (64102343427544).

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

44422420402400 is a wasteful number, since it uses less digits than its factorization.

44422420402400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40209964 (or 40209951 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 44422420402400 its reverse (420402422444), we get a palindrome (44842822824844).

The spelling of 44422420402400 in words is "forty-four trillion, four hundred twenty-two billion, four hundred twenty million, four hundred two thousand, four hundred".