40812694 has 16 divisors (see below), whose sum is σ = 66834432. Its totient is φ = 18577728.

The previous prime is 40812691. The next prime is 40812727. The reversal of 40812694 is 49621804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40812691) 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, 8854 + ... + 12649.

It is an arithmetic number, because the mean of its divisors is an integer number (4177152).

Almost surely, 2^40812694 is an apocalyptic number.

40812694 is a deficient number, since it is larger than the sum of its proper divisors (26021738).

40812694 is a wasteful number, since it uses less digits than its factorization.

40812694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21591.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 40812694 is about 6388.4813531856. The cubic root of 40812694 is about 344.2958233681.

The spelling of 40812694 in words is "forty million, eight hundred twelve thousand, six hundred ninety-four".