1128476490 has 32 divisors (see below), whose sum is σ = 2867659200. Its totient is φ = 283225344.

The previous prime is 1128476483. The next prime is 1128476491. The reversal of 1128476490 is 946748211.

It is not an unprimeable number, because it can be changed into a prime (1128476491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1105840 + ... + 1106859.

It is an arithmetic number, because the mean of its divisors is an integer number (89614350).

Almost surely, 2^1128476490 is an apocalyptic number.

1128476490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1128476490 is an abundant number, since it is smaller than the sum of its proper divisors (1739182710).

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

1128476490 is a wasteful number, since it uses less digits than its factorization.

1128476490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212726.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 1128476490 is about 33592.8041401726. The cubic root of 1128476490 is about 1041.1121270112.

The spelling of 1128476490 in words is "one billion, one hundred twenty-eight million, four hundred seventy-six thousand, four hundred ninety".