214040212440 has 64 divisors (see below), whose sum is σ = 642163442400. Its totient is φ = 57073585152.

The previous prime is 214040212433. The next prime is 214040212447. The reversal of 214040212440 is 44212040412.

It is an interprime number because it is at equal distance from previous prime (214040212433) and next prime (214040212447).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 214040212440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214040212447) 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, 2062434 + ... + 2163726.

Almost surely, 2^214040212440 is an apocalyptic number.

214040212440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214040212440 is an abundant number, since it is smaller than the sum of its proper divisors (428123229960).

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

214040212440 is a wasteful number, since it uses less digits than its factorization.

214040212440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118916 (or 118912 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 214040212440 its reverse (44212040412), we get a palindrome (258252252852).

The spelling of 214040212440 in words is "two hundred fourteen billion, forty million, two hundred twelve thousand, four hundred forty".