514040105421 has 20 divisors (see below), whose sum is σ = 768146588352. Its totient is φ = 342577586088.

The previous prime is 514040105419. The next prime is 514040105441. The reversal of 514040105421 is 124501040415.

514040105421 is a `hidden beast` number, since 514 + 0 + 4 + 0 + 105 + 42 + 1 = 666.

It is not a de Polignac number, because 514040105421 - 2¹ = 514040105419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514040105401) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 830901 + ... + 1310906.

Almost surely, 2^514040105421 is an apocalyptic number.

It is an amenable number.

514040105421 is a deficient number, since it is larger than the sum of its proper divisors (254106482931).

514040105421 is a wasteful number, since it uses less digits than its factorization.

514040105421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144782 (or 2144773 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 514040105421 its reverse (124501040415), we get a palindrome (638541145836).

The spelling of 514040105421 in words is "five hundred fourteen billion, forty million, one hundred five thousand, four hundred twenty-one".