40014131421 has 12 divisors (see below), whose sum is σ = 58643300576. Its totient is φ = 24250988520.

The previous prime is 40014131401. The next prime is 40014131431. The reversal of 40014131421 is 12413141004.

It is not a de Polignac number, because 40014131421 - 2¹⁹ = 40013607133 is a prime.

It is a super-2 number, since 2×40014131421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40014131401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55115521 + ... + 55116246.

Almost surely, 2^40014131421 is an apocalyptic number.

It is an amenable number.

40014131421 is a deficient number, since it is larger than the sum of its proper divisors (18629169155).

40014131421 is a wasteful number, since it uses less digits than its factorization.

40014131421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110231792 (or 110231781 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 40014131421 its reverse (12413141004), we get a palindrome (52427272425).

The spelling of 40014131421 in words is "forty billion, fourteen million, one hundred thirty-one thousand, four hundred twenty-one".