1034643450 has 48 divisors (see below), whose sum is σ = 2575995840. Its totient is φ = 274821120.

The previous prime is 1034643403. The next prime is 1034643451. The reversal of 1034643450 is 543464301.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1034643451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25131 + ... + 51969.

It is an arithmetic number, because the mean of its divisors is an integer number (53666580).

Almost surely, 2^1034643450 is an apocalyptic number.

1034643450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1034643450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1287997920).

1034643450 is an abundant number, since it is smaller than the sum of its proper divisors (1541352390).

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

1034643450 is a wasteful number, since it uses less digits than its factorization.

1034643450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27111 (or 27106 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 1034643450 is about 32165.8739971418. The cubic root of 1034643450 is about 1011.4169733295.

The spelling of 1034643450 in words is "one billion, thirty-four million, six hundred forty-three thousand, four hundred fifty".