4421500400000 has 96 divisors (see below), whose sum is σ = 11009868604560. Its totient is φ = 1768600000000.

The previous prime is 4421500399969. The next prime is 4421500400029. The reversal of 4421500400000 is 40051244.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 5126876 + ... + 5926875.

Almost surely, 2^{4421500400000} is an apocalyptic number.

4421500400000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4421500400000 is an abundant number, since it is smaller than the sum of its proper divisors (6588368204560).

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

4421500400000 is an frugal number, since it uses more digits than its factorization.

4421500400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11053790 (or 11053758 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 4421500400000 its reverse (40051244), we get a palindrome (4421540451244).

The spelling of 4421500400000 in words is "four trillion, four hundred twenty-one billion, five hundred million, four hundred thousand".