40094220 has 48 divisors (see below), whose sum is σ = 112831488. Its totient is φ = 10637760.

The previous prime is 40094213. The next prime is 40094227. The reversal of 40094220 is 2249004.

It is an interprime number because it is at equal distance from previous prime (40094213) and next prime (40094227).

It is not an unprimeable number, because it can be changed into a prime (40094227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11077 + ... + 14243.

It is an arithmetic number, because the mean of its divisors is an integer number (2350656).

Almost surely, 2^40094220 is an apocalyptic number.

It is an amenable number.

40094220 is an abundant number, since it is smaller than the sum of its proper divisors (72737268).

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

40094220 is a wasteful number, since it uses less digits than its factorization.

40094220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390 (or 3388 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 40094220 is about 6331.9996841440. Note that the first 3 decimals coincide. The cubic root of 40094220 is about 342.2635019982.

The spelling of 40094220 in words is "forty million, ninety-four thousand, two hundred twenty".