454402100 has 72 divisors (see below), whose sum is σ = 1042641600. Its totient is φ = 171417600.

The previous prime is 454402097. The next prime is 454402103. The reversal of 454402100 is 1204454.

It is an interprime number because it is at equal distance from previous prime (454402097) and next prime (454402103).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454402103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 590516 + ... + 591284.

Almost surely, 2^454402100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454402100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521320800).

454402100 is an abundant number, since it is smaller than the sum of its proper divisors (588239500).

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

454402100 is a wasteful number, since it uses less digits than its factorization.

454402100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113 (or 1106 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 454402100 is about 21316.7094083491. The cubic root of 454402100 is about 768.8001214374.

Adding to 454402100 its reverse (1204454), we get a palindrome (455606554).

The spelling of 454402100 in words is "four hundred fifty-four million, four hundred two thousand, one hundred".