40014142421 has 4 divisors (see below), whose sum is σ = 43651791744. Its totient is φ = 36376493100.

The previous prime is 40014142403. The next prime is 40014142457. The reversal of 40014142421 is 12424141004.

40014142421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40014142421 is a prime.

It is a super-2 number, since 2×40014142421² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40014142321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1818824645 + ... + 1818824666.

It is an arithmetic number, because the mean of its divisors is an integer number (10912947936).

Almost surely, 2^40014142421 is an apocalyptic number.

It is an amenable number.

40014142421 is a deficient number, since it is larger than the sum of its proper divisors (3637649323).

40014142421 is a wasteful number, since it uses less digits than its factorization.

40014142421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3637649322.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 40014142421 its reverse (12424141004), we get a palindrome (52438283425).

The spelling of 40014142421 in words is "forty billion, fourteen million, one hundred forty-two thousand, four hundred twenty-one".