40212414 has 72 divisors (see below), whose sum is σ = 98553000. Its totient is φ = 11832480.

The previous prime is 40212413. The next prime is 40212427. The reversal of 40212414 is 41421204.

40212414 = 446² + 447² + ... + 593².

40212414 is a `hidden beast` number, since 40 + 212 + 414 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40212413) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 80337 + ... + 80835.

Almost surely, 2^40212414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40212414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49276500).

40212414 is an abundant number, since it is smaller than the sum of its proper divisors (58340586).

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

40212414 is a wasteful number, since it uses less digits than its factorization.

40212414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 40212414 is about 6341.3258865950. The cubic root of 40212414 is about 342.5994922921.

Adding to 40212414 its reverse (41421204), we get a palindrome (81633618).

The spelling of 40212414 in words is "forty million, two hundred twelve thousand, four hundred fourteen".