450441036440 has 32 divisors (see below), whose sum is σ = 1032614833680. Its totient is φ = 176776858752.

The previous prime is 450441036413. The next prime is 450441036443. The reversal of 450441036440 is 44630144054.

It is a self number, because there is not a number n which added to its sum of digits gives 450441036440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450441036443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106233974 + ... + 106238213.

Almost surely, 2^450441036440 is an apocalyptic number.

450441036440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450441036440 is an abundant number, since it is smaller than the sum of its proper divisors (582173797240).

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

450441036440 is a wasteful number, since it uses less digits than its factorization.

450441036440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212472251 (or 212472247 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

The spelling of 450441036440 in words is "four hundred fifty billion, four hundred forty-one million, thirty-six thousand, four hundred forty".