450640599354 has 72 divisors (see below), whose sum is σ = 1093469540436. Its totient is φ = 133981161600.

The previous prime is 450640599307. The next prime is 450640599359. The reversal of 450640599354 is 453995046054.

450640599354 is a `hidden beast` number, since 4 + 5 + 0 + 6 + 40 + 599 + 3 + 5 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 429739247025 + 20901352329 = 655545^2 + 144573^2 .

It is a super-2 number, since 2×450640599354² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 450640599354.

It is not an unprimeable number, because it can be changed into a prime (450640599359) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1836507 + ... + 2067374.

Almost surely, 2^450640599354 is an apocalyptic number.

450640599354 is an abundant number, since it is smaller than the sum of its proper divisors (642828941082).

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

450640599354 is a wasteful number, since it uses less digits than its factorization.

450640599354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903964 (or 3903950 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 54.

The spelling of 450640599354 in words is "four hundred fifty billion, six hundred forty million, five hundred ninety-nine thousand, three hundred fifty-four".