1032403240 has 64 divisors (see below), whose sum is σ = 2577096000. Its totient is φ = 369047040.

The previous prime is 1032403159. The next prime is 1032403243. The reversal of 1032403240 is 423042301.

It is not an unprimeable number, because it can be changed into a prime (1032403243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6076 + ... + 45844.

It is an arithmetic number, because the mean of its divisors is an integer number (40267125).

Almost surely, 2^1032403240 is an apocalyptic number.

1032403240 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 1032403240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1288548000).

1032403240 is an abundant number, since it is smaller than the sum of its proper divisors (1544692760).

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

1032403240 is a wasteful number, since it uses less digits than its factorization.

1032403240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39850 (or 39846 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1032403240 is about 32131.0323519180. The cubic root of 1032403240 is about 1010.6864725045.

Adding to 1032403240 its reverse (423042301), we get a palindrome (1455445541).

The spelling of 1032403240 in words is "one billion, thirty-two million, four hundred three thousand, two hundred forty".