40377366 has 48 divisors (see below), whose sum is σ = 91361088. Its totient is φ = 13365000.

The previous prime is 40377353. The next prime is 40377383. The reversal of 40377366 is 66377304.

It is a self number, because there is not a number n which added to its sum of digits gives 40377366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121821 + ... + 122151.

It is an arithmetic number, because the mean of its divisors is an integer number (1903356).

Almost surely, 2^40377366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40377366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45680544).

40377366 is an abundant number, since it is smaller than the sum of its proper divisors (50983722).

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

40377366 is a wasteful number, since it uses less digits than its factorization.

40377366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The square root of 40377366 is about 6354.3186888918. The cubic root of 40377366 is about 343.0673028490.

The spelling of 40377366 in words is "forty million, three hundred seventy-seven thousand, three hundred sixty-six".