4044022064400 has 60 divisors (see below), whose sum is σ = 12954350683472. Its totient is φ = 1078405883520.

The previous prime is 4044022064389. The next prime is 4044022064447. The reversal of 4044022064400 is 44602204404.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×4044022064400² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 1685007994 + ... + 1685010393.

Almost surely, 2^{4044022064400} is an apocalyptic number.

4044022064400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4044022064400 is an abundant number, since it is smaller than the sum of its proper divisors (8910328619072).

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

4044022064400 is a wasteful number, since it uses less digits than its factorization.

4044022064400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370018408 (or 3370018397 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 4044022064400 its reverse (44602204404), we get a palindrome (4088624268804).

The spelling of 4044022064400 in words is "four trillion, forty-four billion, twenty-two million, sixty-four thousand, four hundred".