1030453400 has 96 divisors (see below), whose sum is σ = 2449166160. Its totient is φ = 403107840.

The previous prime is 1030453399. The next prime is 1030453421. The reversal of 1030453400 is 43540301.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2379584 + ... + 2380016.

Almost surely, 2^1030453400 is an apocalyptic number.

1030453400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1030453400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1224583080).

1030453400 is an abundant number, since it is smaller than the sum of its proper divisors (1418712760).

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

1030453400 is a wasteful number, since it uses less digits than its factorization.

1030453400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1030453400 is about 32100.6760053429. The cubic root of 1030453400 is about 1010.0497965841.

Adding to 1030453400 its reverse (43540301), we get a palindrome (1073993701).

The spelling of 1030453400 in words is "one billion, thirty million, four hundred fifty-three thousand, four hundred".