1034438400 has 162 divisors, whose sum is σ = 3698556680. Its totient is φ = 275834880.

The previous prime is 1034438399. The next prime is 1034438407. The reversal of 1034438400 is 48344301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1034438407) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 48621 + ... + 66579.

Almost surely, 2^1034438400 is an apocalyptic number.

1034438400 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 1034438400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1849278340).

1034438400 is an abundant number, since it is smaller than the sum of its proper divisors (2664118280).

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

1034438400 is a wasteful number, since it uses less digits than its factorization.

1034438400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17991 (or 17969 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 1034438400 is about 32162.6864549590. The cubic root of 1034438400 is about 1011.3501532888.

The spelling of 1034438400 in words is "one billion, thirty-four million, four hundred thirty-eight thousand, four hundred".