40992966 has 80 divisors (see below), whose sum is σ = 107924256. Its totient is φ = 11384064.

The previous prime is 40992949. The next prime is 40993063. The reversal of 40992966 is 66929904.

It is a super-2 number, since 2×40992966² = 3360846522954312, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 39 ways as a sum of consecutive naturals, for example, 41470 + ... + 42446.

Almost surely, 2^40992966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40992966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53962128).

40992966 is an abundant number, since it is smaller than the sum of its proper divisors (66931290).

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

40992966 is a wasteful number, since it uses less digits than its factorization.

40992966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035 (or 1026 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 40992966 is about 6402.5749507522. The cubic root of 40992966 is about 344.8020035933.

The spelling of 40992966 in words is "forty million, nine hundred ninety-two thousand, nine hundred sixty-six".