1118273632 has 48 divisors (see below), whose sum is σ = 2569674240. Its totient is φ = 469058688.

The previous prime is 1118273627. The next prime is 1118273657. The reversal of 1118273632 is 2363728111.

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, 42582 + ... + 63637.

It is an arithmetic number, because the mean of its divisors is an integer number (53534880).

Almost surely, 2^1118273632 is an apocalyptic number.

It is an amenable number.

1118273632 is an abundant number, since it is smaller than the sum of its proper divisors (1451400608).

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

1118273632 is a wasteful number, since it uses less digits than its factorization.

1118273632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106283 (or 106275 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 1118273632 is about 33440.5985592363. The cubic root of 1118273632 is about 1037.9649652875.

The spelling of 1118273632 in words is "one billion, one hundred eighteen million, two hundred seventy-three thousand, six hundred thirty-two".