1004433140 has 24 divisors (see below), whose sum is σ = 2115402912. Its totient is φ = 400612640.

The previous prime is 1004433127. The next prime is 1004433163. The reversal of 1004433140 is 413344001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65426 + ... + 79305.

It is an arithmetic number, because the mean of its divisors is an integer number (88141788).

Almost surely, 2^1004433140 is an apocalyptic number.

1004433140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004433140 is an abundant number, since it is smaller than the sum of its proper divisors (1110969772).

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

1004433140 is a wasteful number, since it uses less digits than its factorization.

1004433140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145087 (or 145085 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1004433140 is about 31692.7931870954. The cubic root of 1004433140 is about 1001.4755350588.

Adding to 1004433140 its reverse (413344001), we get a palindrome (1417777141).

The spelling of 1004433140 in words is "one billion, four million, four hundred thirty-three thousand, one hundred forty".