453440121452 has 12 divisors (see below), whose sum is σ = 819117638976. Its totient is φ = 219406510320.

The previous prime is 453440121451. The next prime is 453440121479. The reversal of 453440121452 is 254121044354.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (453440121451) 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, 1828387463 + ... + 1828387710.

It is an arithmetic number, because the mean of its divisors is an integer number (68259803248).

Almost surely, 2^453440121452 is an apocalyptic number.

It is an amenable number.

453440121452 is a deficient number, since it is larger than the sum of its proper divisors (365677517524).

453440121452 is a wasteful number, since it uses less digits than its factorization.

453440121452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656775208 (or 3656775206 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 453440121452 in words is "four hundred fifty-three billion, four hundred forty million, one hundred twenty-one thousand, four hundred fifty-two".