40306308 has 48 divisors (see below), whose sum is σ = 109992960. Its totient is φ = 11247264.

The previous prime is 40306297. The next prime is 40306339. The reversal of 40306308 is 80360304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1968 + ... + 9191.

It is an arithmetic number, because the mean of its divisors is an integer number (2291520).

Almost surely, 2^40306308 is an apocalyptic number.

It is an amenable number.

40306308 is an abundant number, since it is smaller than the sum of its proper divisors (69686652).

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

40306308 is a wasteful number, since it uses less digits than its factorization.

40306308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11216 (or 11214 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 40306308 is about 6348.7249113503. The cubic root of 40306308 is about 342.8659359848.

The spelling of 40306308 in words is "forty million, three hundred six thousand, three hundred eight".