454448388 has 12 divisors (see below), whose sum is σ = 1060379600. Its totient is φ = 151482792.

The previous prime is 454448383. The next prime is 454448411. The reversal of 454448388 is 883844454.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (454448383) 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, 18935338 + ... + 18935361.

Almost surely, 2^454448388 is an apocalyptic number.

It is an amenable number.

454448388 is an abundant number, since it is smaller than the sum of its proper divisors (605931212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

454448388 is a wasteful number, since it uses less digits than its factorization.

454448388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37870706 (or 37870704 counting only the distinct ones).

The product of its digits is 1966080, while the sum is 48.

The square root of 454448388 is about 21317.7951017454. The cubic root of 454448388 is about 768.8262253453.

The spelling of 454448388 in words is "four hundred fifty-four million, four hundred forty-eight thousand, three hundred eighty-eight".