1040305450 has 24 divisors (see below), whose sum is σ = 1979971488. Its totient is φ = 406444080.

The previous prime is 1040305447. The next prime is 1040305451. The reversal of 1040305450 is 545030401.

It is not an unprimeable number, because it can be changed into a prime (1040305451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239782 + ... + 244081.

It is an arithmetic number, because the mean of its divisors is an integer number (82498812).

Almost surely, 2^1040305450 is an apocalyptic number.

1040305450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1040305450 is a deficient number, since it is larger than the sum of its proper divisors (939666038).

1040305450 is a wasteful number, since it uses less digits than its factorization.

1040305450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483918 (or 483913 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1040305450 is about 32253.7664467268. The cubic root of 1040305450 is about 1013.2585830662.

Adding to 1040305450 its reverse (545030401), we get a palindrome (1585335851).

The spelling of 1040305450 in words is "one billion, forty million, three hundred five thousand, four hundred fifty".