450352115440 has 20 divisors (see below), whose sum is σ = 1047068668584. Its totient is φ = 180140846144.

The previous prime is 450352115429. The next prime is 450352115459. The reversal of 450352115440 is 44511253054.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 450352115396 and 450352115405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2814700642 + ... + 2814700801.

Almost surely, 2^450352115440 is an apocalyptic number.

450352115440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450352115440 is an abundant number, since it is smaller than the sum of its proper divisors (596716553144).

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

450352115440 is a wasteful number, since it uses less digits than its factorization.

450352115440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5629401456 (or 5629401450 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 450352115440 its reverse (44511253054), we get a palindrome (494863368494).

The spelling of 450352115440 in words is "four hundred fifty billion, three hundred fifty-two million, one hundred fifteen thousand, four hundred forty".