10459731450 has 48 divisors (see below), whose sum is σ = 29645870400. Its totient is φ = 2390795520.

The previous prime is 10459731449. The next prime is 10459731509. The reversal of 10459731450 is 5413795401.

It is a super-2 number, since 2×10459731450² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10459731399 and 10459731408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4979775 + ... + 4981874.

It is an arithmetic number, because the mean of its divisors is an integer number (617622300).

Almost surely, 2^10459731450 is an apocalyptic number.

10459731450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10459731450 is an abundant number, since it is smaller than the sum of its proper divisors (19186138950).

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

10459731450 is a wasteful number, since it uses less digits than its factorization.

10459731450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9961671 (or 9961666 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 10459731450 in words is "ten billion, four hundred fifty-nine million, seven hundred thirty-one thousand, four hundred fifty".