4045534440000 has 280 divisors, whose sum is σ = 13558735940640. Its totient is φ = 1064028672000.

The previous prime is 4045534439941. The next prime is 4045534440019. The reversal of 4045534440000 is 444355404.

It is a happy number.

It is a super-2 number, since 2×4045534440000² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8529091 + ... + 8990909.

Almost surely, 2^{4045534440000} is an apocalyptic number.

4045534440000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4045534440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6779367970320).

4045534440000 is an abundant number, since it is smaller than the sum of its proper divisors (9513201500640).

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

4045534440000 is an equidigital number, since it uses as much as digits as its factorization.

4045534440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461927 (or 461902 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 4045534440000 its reverse (444355404), we get a palindrome (4045978795404).

The spelling of 4045534440000 in words is "four trillion, forty-five billion, five hundred thirty-four million, four hundred forty thousand".