1204835040 has 192 divisors, whose sum is σ = 4247147520. Its totient is φ = 318988800.

The previous prime is 1204835039. The next prime is 1204835069. The reversal of 1204835040 is 405384021.

It is a super-2 number, since 2×1204835040² = 2903254947223603200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1204834995 and 1204835013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 651397 + ... + 653243.

It is an arithmetic number, because the mean of its divisors is an integer number (22120560).

Almost surely, 2^1204835040 is an apocalyptic number.

1204835040 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 1204835040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2123573760).

1204835040 is an abundant number, since it is smaller than the sum of its proper divisors (3042312480).

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

1204835040 is a wasteful number, since it uses less digits than its factorization.

1204835040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022 (or 2008 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1204835040 is about 34710.7337865393. The cubic root of 1204835040 is about 1064.0838779108.

The spelling of 1204835040 in words is "one billion, two hundred four million, eight hundred thirty-five thousand, forty".