40523670 has 48 divisors (see below), whose sum is σ = 114942672. Its totient is φ = 9823680.

The previous prime is 40523663. The next prime is 40523683. The reversal of 40523670 is 7632504.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19477 + ... + 21456.

It is an arithmetic number, because the mean of its divisors is an integer number (2394639).

Almost surely, 2^40523670 is an apocalyptic number.

40523670 is an abundant number, since it is smaller than the sum of its proper divisors (74419002).

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

40523670 is a wasteful number, since it uses less digits than its factorization.

40523670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40957 (or 40954 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 40523670 is about 6365.8204498713. The cubic root of 40523670 is about 343.4811619246.

The spelling of 40523670 in words is "forty million, five hundred twenty-three thousand, six hundred seventy".