40618214 has 32 divisors (see below), whose sum is σ = 76129536. Its totient is φ = 15824160.

The previous prime is 40618211. The next prime is 40618223. The reversal of 40618214 is 41281604.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40618211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10529 + ... + 13859.

It is an arithmetic number, because the mean of its divisors is an integer number (2379048).

Almost surely, 2^40618214 is an apocalyptic number.

40618214 is a deficient number, since it is larger than the sum of its proper divisors (35511322).

40618214 is a wasteful number, since it uses less digits than its factorization.

40618214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 40618214 is about 6373.2420321215. The cubic root of 40618214 is about 343.7480747440.

Adding to 40618214 its reverse (41281604), we get a palindrome (81899818).

The spelling of 40618214 in words is "forty million, six hundred eighteen thousand, two hundred fourteen".