40694442 has 16 divisors (see below), whose sum is σ = 82723872. Its totient is φ = 13342320.

The previous prime is 40694441. The next prime is 40694443. The reversal of 40694442 is 24449604.

It is an interprime number because it is at equal distance from previous prime (40694441) and next prime (40694443).

It is not an unprimeable number, because it can be changed into a prime (40694441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55228 + ... + 55959.

It is an arithmetic number, because the mean of its divisors is an integer number (5170242).

Almost surely, 2^40694442 is an apocalyptic number.

40694442 is an abundant number, since it is smaller than the sum of its proper divisors (42029430).

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

40694442 is a wasteful number, since it uses less digits than its factorization.

40694442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111253.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 40694442 is about 6379.2195447406. The cubic root of 40694442 is about 343.9629771315.

The spelling of 40694442 in words is "forty million, six hundred ninety-four thousand, four hundred forty-two".