1004133240 has 128 divisors (see below), whose sum is σ = 3651436800. Its totient is φ = 243423360.

The previous prime is 1004133197. The next prime is 1004133289. The reversal of 1004133240 is 423314001.

1004133240 is a `hidden beast` number, since 10 + 0 + 413 + 3 + 240 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30382 + ... + 54141.

It is an arithmetic number, because the mean of its divisors is an integer number (28526850).

Almost surely, 2^1004133240 is an apocalyptic number.

1004133240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004133240 is an abundant number, since it is smaller than the sum of its proper divisors (2647303560).

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

1004133240 is a wasteful number, since it uses less digits than its factorization.

1004133240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84554 (or 84544 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1004133240 is about 31688.0614743155. The cubic root of 1004133240 is about 1001.3758528275.

Adding to 1004133240 its reverse (423314001), we get a palindrome (1427447241).

The spelling of 1004133240 in words is "one billion, four million, one hundred thirty-three thousand, two hundred forty".