454744836 has 144 divisors (see below), whose sum is σ = 1427206144. Its totient is φ = 118879488.

The previous prime is 454744831. The next prime is 454744861. The reversal of 454744836 is 638447454.

It is a junction number, because it is equal to n+sod(n) for n = 454744791 and 454744800.

It is not an unprimeable number, because it can be changed into a prime (454744831) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 415506 + ... + 416598.

Almost surely, 2^454744836 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 454744836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (713603072).

454744836 is an abundant number, since it is smaller than the sum of its proper divisors (972461308).

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

454744836 is a wasteful number, since it uses less digits than its factorization.

454744836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250 (or 1245 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 45.

The square root of 454744836 is about 21324.7470324972. The cubic root of 454744836 is about 768.9933638383.

The spelling of 454744836 in words is "four hundred fifty-four million, seven hundred forty-four thousand, eight hundred thirty-six".