1204403040 has 192 divisors, whose sum is σ = 4267468800. Its totient is φ = 317210112.

The previous prime is 1204403023. The next prime is 1204403051. The reversal of 1204403040 is 403044021.

1204403040 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1204403040² = 2901173365522483200, which contains 22 as substring.

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, 356881 + ... + 360239.

It is an arithmetic number, because the mean of its divisors is an integer number (22226400).

Almost surely, 2^1204403040 is an apocalyptic number.

1204403040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1204403040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2133734400).

1204403040 is an abundant number, since it is smaller than the sum of its proper divisors (3063065760).

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

1204403040 is a wasteful number, since it uses less digits than its factorization.

1204403040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466 (or 3452 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1204403040 is about 34704.5103696911. The cubic root of 1204403040 is about 1063.9566850666.

Adding to 1204403040 its reverse (403044021), we get a palindrome (1607447061).

The spelling of 1204403040 in words is "one billion, two hundred four million, four hundred three thousand, forty".