40474686 has 64 divisors (see below), whose sum is σ = 96076800. Its totient is φ = 11360160.

The previous prime is 40474613. The next prime is 40474699. The reversal of 40474686 is 68647404.

40474686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 145980 + ... + 146256.

It is an arithmetic number, because the mean of its divisors is an integer number (1501200).

Almost surely, 2^40474686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40474686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48038400).

40474686 is an abundant number, since it is smaller than the sum of its proper divisors (55602114).

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

40474686 is a wasteful number, since it uses less digits than its factorization.

40474686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 40474686 is about 6361.9718641314. The cubic root of 40474686 is about 343.3427089741.

The spelling of 40474686 in words is "forty million, four hundred seventy-four thousand, six hundred eighty-six".