1090523856 has 40 divisors (see below), whose sum is σ = 2822658624. Its totient is φ = 362801920.

The previous prime is 1090523843. The next prime is 1090523873. The reversal of 1090523856 is 6583250901.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3205 + ... + 46811.

Almost surely, 2^1090523856 is an apocalyptic number.

1090523856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1090523856 is an abundant number, since it is smaller than the sum of its proper divisors (1732134768).

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

1090523856 is a wasteful number, since it uses less digits than its factorization.

1090523856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44139 (or 44133 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 1090523856 is about 33023.0806558080. The cubic root of 1090523856 is about 1029.3073094190.

The spelling of 1090523856 in words is "one billion, ninety million, five hundred twenty-three thousand, eight hundred fifty-six".