4240022132421 has 48 divisors (see below), whose sum is σ = 6536789475840. Its totient is φ = 2639101478400.

The previous prime is 4240022132399. The next prime is 4240022132443. The reversal of 4240022132421 is 1242312200424.

It is a happy number.

4240022132421 is a `hidden beast` number, since 4 + 2 + 400 + 2 + 2 + 13 + 242 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (4240022132399) and next prime (4240022132443).

It is not a de Polignac number, because 4240022132421 - 2²⁷ = 4239887914693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4240022132491) 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, 16483431 + ... + 16738683.

It is an arithmetic number, because the mean of its divisors is an integer number (136183114080).

Almost surely, 2^{4240022132421} is an apocalyptic number.

It is an amenable number.

4240022132421 is a deficient number, since it is larger than the sum of its proper divisors (2296767343419).

4240022132421 is a wasteful number, since it uses less digits than its factorization.

4240022132421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256146 (or 256143 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 4240022132421 its reverse (1242312200424), we get a palindrome (5482334332845).

The spelling of 4240022132421 in words is "four trillion, two hundred forty billion, twenty-two million, one hundred thirty-two thousand, four hundred twenty-one".