40618230 has 96 divisors (see below), whose sum is σ = 106977024. Its totient is φ = 9846144.

The previous prime is 40618229. The next prime is 40618231. The reversal of 40618230 is 3281604.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40618229) and next prime (40618231).

It is a self number, because there is not a number n which added to its sum of digits gives 40618230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40618231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 944589 + ... + 944631.

It is an arithmetic number, because the mean of its divisors is an integer number (1114344).

Almost surely, 2^40618230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40618230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53488512).

40618230 is an abundant number, since it is smaller than the sum of its proper divisors (66358794).

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

40618230 is a wasteful number, since it uses less digits than its factorization.

40618230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 40618230 is about 6373.2432873695. The cubic root of 40618230 is about 343.7481198795.

Adding to 40618230 its reverse (3281604), we get a palindrome (43899834).

The spelling of 40618230 in words is "forty million, six hundred eighteen thousand, two hundred thirty".