1153769456 has 40 divisors (see below), whose sum is σ = 2556919680. Its totient is φ = 494057664.

The previous prime is 1153769429. The next prime is 1153769503. The reversal of 1153769456 is 6549673511.

It is a self number, because there is not a number n which added to its sum of digits gives 1153769456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156215 + ... + 163433.

It is an arithmetic number, because the mean of its divisors is an integer number (63922992).

Almost surely, 2^1153769456 is an apocalyptic number.

1153769456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1153769456 is an abundant number, since it is smaller than the sum of its proper divisors (1403150224).

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

1153769456 is a wasteful number, since it uses less digits than its factorization.

1153769456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8661 (or 8655 counting only the distinct ones).

The product of its digits is 680400, while the sum is 47.

The square root of 1153769456 is about 33967.1820438493. The cubic root of 1153769456 is about 1048.8330061024.

The spelling of 1153769456 in words is "one billion, one hundred fifty-three million, seven hundred sixty-nine thousand, four hundred fifty-six".