40010094 has 12 divisors (see below), whose sum is σ = 86688576. Its totient is φ = 13336692.

The previous prime is 40010093. The next prime is 40010099. The reversal of 40010094 is 49001004.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2222783 = 40010094 / (4 + 0 + 0 + 1 + 0 + 0 + 9 + 4).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40010093) 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 5 ways as a sum of consecutive naturals, for example, 1111374 + ... + 1111409.

It is an arithmetic number, because the mean of its divisors is an integer number (7224048).

Almost surely, 2^40010094 is an apocalyptic number.

40010094 is an abundant number, since it is smaller than the sum of its proper divisors (46678482).

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

40010094 is a wasteful number, since it uses less digits than its factorization.

40010094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222791 (or 2222788 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 40010094 is about 6325.3532707668. The cubic root of 40010094 is about 342.0239544112.

Adding to 40010094 its reverse (49001004), we get a palindrome (89011098).

The spelling of 40010094 in words is "forty million, ten thousand, ninety-four".