40766940 has 36 divisors (see below), whose sum is σ = 123660264. Its totient is φ = 10871136.

The previous prime is 40766917. The next prime is 40766977. The reversal of 40766940 is 4966704.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 40766895 and 40766904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113062 + ... + 113421.

Almost surely, 2^40766940 is an apocalyptic number.

It is an amenable number.

40766940 is an abundant number, since it is smaller than the sum of its proper divisors (82893324).

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

40766940 is a wasteful number, since it uses less digits than its factorization.

40766940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226498 (or 226493 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 40766940 is about 6384.8993727388. The cubic root of 40766940 is about 344.1671150346.

The spelling of 40766940 in words is "forty million, seven hundred sixty-six thousand, nine hundred forty".