40861228 has 6 divisors (see below), whose sum is σ = 71507156. Its totient is φ = 20430612.

The previous prime is 40861213. The next prime is 40861231. The reversal of 40861228 is 82216804.

It is a self number, because there is not a number n which added to its sum of digits gives 40861228.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5107650 + ... + 5107657.

Almost surely, 2^40861228 is an apocalyptic number.

It is an amenable number.

40861228 is a deficient number, since it is larger than the sum of its proper divisors (30645928).

40861228 is a wasteful number, since it uses less digits than its factorization.

40861228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10215311 (or 10215309 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 40861228 is about 6392.2787799031. The cubic root of 40861228 is about 344.4322468876.

The spelling of 40861228 in words is "forty million, eight hundred sixty-one thousand, two hundred twenty-eight".