1040320450 has 48 divisors (see below), whose sum is σ = 2119239360. Its totient is φ = 377593920.

The previous prime is 1040320439. The next prime is 1040320481. The reversal of 1040320450 is 540230401.

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, 24787 + ... + 51913.

It is an arithmetic number, because the mean of its divisors is an integer number (44150820).

Almost surely, 2^1040320450 is an apocalyptic number.

1040320450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1040320450 is an abundant number, since it is smaller than the sum of its proper divisors (1078918910).

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

1040320450 is a wasteful number, since it uses less digits than its factorization.

1040320450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27211 (or 27206 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1040320450 is about 32253.9989768711. The cubic root of 1040320450 is about 1013.2634530480.

Adding to 1040320450 its reverse (540230401), we get a palindrome (1580550851).

The spelling of 1040320450 in words is "one billion, forty million, three hundred twenty thousand, four hundred fifty".