40308966 has 12 divisors (see below), whose sum is σ = 87336132. Its totient is φ = 13436316.

The previous prime is 40308943. The next prime is 40308967. The reversal of 40308966 is 66980304.

It is a self number, because there is not a number n which added to its sum of digits gives 40308966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40308967) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1119676 + ... + 1119711.

It is an arithmetic number, because the mean of its divisors is an integer number (7278011).

Almost surely, 2^40308966 is an apocalyptic number.

40308966 is an abundant number, since it is smaller than the sum of its proper divisors (47027166).

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

40308966 is a wasteful number, since it uses less digits than its factorization.

40308966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239395 (or 2239392 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 40308966 is about 6348.9342412723. The cubic root of 40308966 is about 342.8734725853.

It can be divided in two parts, 4030 and 8966, that added together give a square (12996 = 114²).

The spelling of 40308966 in words is "forty million, three hundred eight thousand, nine hundred sixty-six".