400454451014503 has 4 divisors (see below), whose sum is σ = 407241814591080. Its totient is φ = 393667087437928.

The previous prime is 400454451014489. The next prime is 400454451014551. The reversal of 400454451014503 is 305410154454004.

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

It is a cyclic number.

It is not a de Polignac number, because 400454451014503 - 2³³ = 400445861079911 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 (400454451014603) 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, 3393681788200 + ... + 3393681788317.

It is an arithmetic number, because the mean of its divisors is an integer number (101810453647770).

Almost surely, 2^{400454451014503} is an apocalyptic number.

400454451014503 is a deficient number, since it is larger than the sum of its proper divisors (6787363576577).

400454451014503 is an equidigital number, since it uses as much as digits as its factorization.

400454451014503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6787363576576.

The product of its (nonzero) digits is 384000, while the sum is 40.

The spelling of 400454451014503 in words is "four hundred trillion, four hundred fifty-four billion, four hundred fifty-one million, fourteen thousand, five hundred three".