40361814 has 112 divisors (see below), whose sum is σ = 100730880. Its totient is φ = 12072240.

The previous prime is 40361813. The next prime is 40361831. The reversal of 40361814 is 41816304.

40361814 is a `hidden beast` number, since 40 + 3 + 618 + 1 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40361813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 858739 + ... + 858785.

Almost surely, 2^40361814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40361814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50365440).

40361814 is an abundant number, since it is smaller than the sum of its proper divisors (60369066).

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

40361814 is a wasteful number, since it uses less digits than its factorization.

40361814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 40361814 is about 6353.0948363770. The cubic root of 40361814 is about 343.0232512068.

The spelling of 40361814 in words is "forty million, three hundred sixty-one thousand, eight hundred fourteen".