1204010440 has 32 divisors (see below), whose sum is σ = 2826809280. Its totient is φ = 460664512.

The previous prime is 1204010399. The next prime is 1204010471. The reversal of 1204010440 is 440104021.

It is a super-2 number, since 2×1204010440² = 2899282279257987200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653434 + ... + 655273.

It is an arithmetic number, because the mean of its divisors is an integer number (88337790).

Almost surely, 2^1204010440 is an apocalyptic number.

1204010440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204010440 is an abundant number, since it is smaller than the sum of its proper divisors (1622798840).

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

1204010440 is a wasteful number, since it uses less digits than its factorization.

1204010440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308741 (or 1308737 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1204010440 is about 34698.8535833679. The cubic root of 1204010440 is about 1063.8410662978.

Adding to 1204010440 its reverse (440104021), we get a palindrome (1644114461).

The spelling of 1204010440 in words is "one billion, two hundred four million, ten thousand, four hundred forty".