1090149768 has 48 divisors (see below), whose sum is σ = 3080862720. Its totient is φ = 347583456.

The previous prime is 1090149737. The next prime is 1090149773. The reversal of 1090149768 is 8679410901.

It is a happy number.

1090149768 is a `hidden beast` number, since 10 + 90 + 1 + 497 + 68 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 327496 + ... + 330807.

It is an arithmetic number, because the mean of its divisors is an integer number (64184640).

Almost surely, 2^1090149768 is an apocalyptic number.

1090149768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1090149768 is an abundant number, since it is smaller than the sum of its proper divisors (1990712952).

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

1090149768 is a wasteful number, since it uses less digits than its factorization.

1090149768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658338 (or 658331 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 1090149768 is about 33017.4161314904. The cubic root of 1090149768 is about 1029.1895997673.

The spelling of 1090149768 in words is "one billion, ninety million, one hundred forty-nine thousand, seven hundred sixty-eight".