13400452454 has 4 divisors (see below), whose sum is σ = 20100678684. Its totient is φ = 6700226226.

The previous prime is 13400452433. The next prime is 13400452459. The reversal of 13400452454 is 45425400431.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13400452454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13400452459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3350113112 + ... + 3350113115.

It is an arithmetic number, because the mean of its divisors is an integer number (5025169671).

Almost surely, 2^13400452454 is an apocalyptic number.

13400452454 is a deficient number, since it is larger than the sum of its proper divisors (6700226230).

13400452454 is an equidigital number, since it uses as much as digits as its factorization.

13400452454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6700226229.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 13400452454 its reverse (45425400431), we get a palindrome (58825852885).

The spelling of 13400452454 in words is "thirteen billion, four hundred million, four hundred fifty-two thousand, four hundred fifty-four".