40214443453 has 4 divisors (see below), whose sum is σ = 40280046748. Its totient is φ = 40148840160.

The previous prime is 40214443429. The next prime is 40214443457. The reversal of 40214443453 is 35434441204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 461261529 + 39753181924 = 21477^2 + 199382^2 .

It is a cyclic number.

It is not a de Polignac number, because 40214443453 - 2²⁹ = 39677572541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40214443457) 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, 32800728 + ... + 32801953.

It is an arithmetic number, because the mean of its divisors is an integer number (10070011687).

Almost surely, 2^40214443453 is an apocalyptic number.

It is an amenable number.

40214443453 is a deficient number, since it is larger than the sum of its proper divisors (65603295).

40214443453 is an equidigital number, since it uses as much as digits as its factorization.

40214443453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65603294.

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 40214443453 its reverse (35434441204), we get a palindrome (75648884657).

The spelling of 40214443453 in words is "forty billion, two hundred fourteen million, four hundred forty-three thousand, four hundred fifty-three".