450113502478 has 16 divisors (see below), whose sum is σ = 680038894080. Its totient is φ = 223437148056.

The previous prime is 450113502451. The next prime is 450113502577. The reversal of 450113502478 is 874205311054.

It is a super-2 number, since 2×450113502478² (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 450113502478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543858 + ... + 1093621.

It is an arithmetic number, because the mean of its divisors is an integer number (42502430880).

Almost surely, 2^450113502478 is an apocalyptic number.

450113502478 is a deficient number, since it is larger than the sum of its proper divisors (229925391602).

450113502478 is a wasteful number, since it uses less digits than its factorization.

450113502478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638471.

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 450113502478 in words is "four hundred fifty billion, one hundred thirteen million, five hundred two thousand, four hundred seventy-eight".