40809350 has 48 divisors (see below), whose sum is σ = 82400976. Its totient is φ = 14976000.

The previous prime is 40809323. The next prime is 40809407. The reversal of 40809350 is 5390804.

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, 34265 + ... + 35435.

It is an arithmetic number, because the mean of its divisors is an integer number (1716687).

Almost surely, 2^40809350 is an apocalyptic number.

40809350 is an abundant number, since it is smaller than the sum of its proper divisors (41591626).

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

40809350 is a wasteful number, since it uses less digits than its factorization.

40809350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241 (or 1236 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 40809350 is about 6388.2196267818. The cubic root of 40809350 is about 344.2864197850.

The spelling of 40809350 in words is "forty million, eight hundred nine thousand, three hundred fifty".