1140699456 has 448 divisors, whose sum is σ = 3994099200. Its totient is φ = 315850752.

The previous prime is 1140699377. The next prime is 1140699463. The reversal of 1140699456 is 6549960411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11074701 + ... + 11074803.

It is an arithmetic number, because the mean of its divisors is an integer number (8915400).

Almost surely, 2^1140699456 is an apocalyptic number.

1140699456 is a gapful number since it is divisible by the number (16) 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 1140699456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1997049600).

1140699456 is an abundant number, since it is smaller than the sum of its proper divisors (2853399744).

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

1140699456 is a wasteful number, since it uses less digits than its factorization.

1140699456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 1140699456 is about 33774.2424933558. The cubic root of 1140699456 is about 1044.8575329845.

The spelling of 1140699456 in words is "one billion, one hundred forty million, six hundred ninety-nine thousand, four hundred fifty-six".