1040431000 has 64 divisors (see below), whose sum is σ = 2782428480. Its totient is φ = 356716800.

The previous prime is 1040430971. The next prime is 1040431003. The reversal of 1040431000 is 1340401.

It is a super-2 number, since 2×1040431000² = 2164993331522000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040431003) 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, 67317 + ... + 81316.

It is an arithmetic number, because the mean of its divisors is an integer number (43475445).

Almost surely, 2^1040431000 is an apocalyptic number.

1040431000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040431000 is an abundant number, since it is smaller than the sum of its proper divisors (1741997480).

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

1040431000 is a wasteful number, since it uses less digits than its factorization.

1040431000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148661 (or 148647 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1040431000 is about 32255.7126723314. The cubic root of 1040431000 is about 1013.2993433697.

Adding to 1040431000 its reverse (1340401), we get a palindrome (1041771401).

The spelling of 1040431000 in words is "one billion, forty million, four hundred thirty-one thousand".