40274766 has 96 divisors (see below), whose sum is σ = 107688960. Its totient is φ = 11113200.

The previous prime is 40274747. The next prime is 40274783. The reversal of 40274766 is 66747204.

40274766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 7.

It is a zygodrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 40274766.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81781 + ... + 82271.

It is an arithmetic number, because the mean of its divisors is an integer number (1121760).

Almost surely, 2^40274766 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40274766, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53844480).

40274766 is an abundant number, since it is smaller than the sum of its proper divisors (67414194).

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

40274766 is a wasteful number, since it uses less digits than its factorization.

40274766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 40274766 is about 6346.2403043062. The cubic root of 40274766 is about 342.7764752184.

The spelling of 40274766 in words is "forty million, two hundred seventy-four thousand, seven hundred sixty-six".