40094890 has 16 divisors (see below), whose sum is σ = 78732000. Its totient is φ = 14579920.

The previous prime is 40094867. The next prime is 40094897. The reversal of 40094890 is 9849004.

40094890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40094890² = 3215200408224200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40094897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182140 + ... + 182359.

It is an arithmetic number, because the mean of its divisors is an integer number (4920750).

Almost surely, 2^40094890 is an apocalyptic number.

40094890 is a deficient number, since it is larger than the sum of its proper divisors (38637110).

40094890 is a wasteful number, since it uses less digits than its factorization.

40094890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364517.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 40094890 is about 6332.0525898006. The cubic root of 40094890 is about 342.2654084680.

The spelling of 40094890 in words is "forty million, ninety-four thousand, eight hundred ninety".