1140885550 has 96 divisors (see below), whose sum is σ = 2474841600. Its totient is φ = 383260800.

The previous prime is 1140885541. The next prime is 1140885619. The reversal of 1140885550 is 555880411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6831567 + ... + 6831733.

It is an arithmetic number, because the mean of its divisors is an integer number (25779600).

Almost surely, 2^1140885550 is an apocalyptic number.

1140885550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1140885550 is an abundant number, since it is smaller than the sum of its proper divisors (1333956050).

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

1140885550 is a wasteful number, since it uses less digits than its factorization.

1140885550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 37.

The square root of 1140885550 is about 33776.9973502678. The cubic root of 1140885550 is about 1044.9143493364.

The spelling of 1140885550 in words is "one billion, one hundred forty million, eight hundred eighty-five thousand, five hundred fifty".