40121214 has 16 divisors (see below), whose sum is σ = 91705728. Its totient is φ = 11463192.

The previous prime is 40121203. The next prime is 40121219. The reversal of 40121214 is 41212104.

It is a junction number, because it is equal to n+sod(n) for n = 40121193 and 40121202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40121219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477592 + ... + 477675.

It is an arithmetic number, because the mean of its divisors is an integer number (5731608).

Almost surely, 2^40121214 is an apocalyptic number.

40121214 is an abundant number, since it is smaller than the sum of its proper divisors (51584514).

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

40121214 is a wasteful number, since it uses less digits than its factorization.

40121214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955279.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 40121214 is about 6334.1308796077. The cubic root of 40121214 is about 342.3402960124.

Adding to 40121214 its reverse (41212104), we get a palindrome (81333318).

The spelling of 40121214 in words is "forty million, one hundred twenty-one thousand, two hundred fourteen".