4455021002432 has 504 divisors, whose sum is σ = 12213284293728. Its totient is φ = 1601596846080.

The previous prime is 4455021002431. The next prime is 4455021002477. The reversal of 4455021002432 is 2342001205544.

It is a super-2 number, since 2×4455021002432² (a number of 26 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (4455021002431) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1691992988 + ... + 1691995620.

It is an arithmetic number, because the mean of its divisors is an integer number (24232706932).

Almost surely, 2^{4455021002432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4455021002432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6106642146864).

4455021002432 is an abundant number, since it is smaller than the sum of its proper divisors (7758263291296).

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

4455021002432 is an equidigital number, since it uses as much as digits as its factorization.

4455021002432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715 (or 2666 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 4455021002432 its reverse (2342001205544), we get a palindrome (6797022207976).

The spelling of 4455021002432 in words is "four trillion, four hundred fifty-five billion, twenty-one million, two thousand, four hundred thirty-two".