454441440 has 48 divisors (see below), whose sum is σ = 1431492048. Its totient is φ = 121184256.

The previous prime is 454441439. The next prime is 454441447. The reversal of 454441440 is 44144454.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 454441398 and 454441407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454441447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472897 + ... + 473856.

It is an arithmetic number, because the mean of its divisors is an integer number (29822751).

Almost surely, 2^454441440 is an apocalyptic number.

454441440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

454441440 is an abundant number, since it is smaller than the sum of its proper divisors (977050608).

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

454441440 is a wasteful number, since it uses less digits than its factorization.

454441440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946771 (or 946763 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

The square root of 454441440 is about 21317.6321386781. The cubic root of 454441440 is about 768.8223071653.

Adding to 454441440 its reverse (44144454), we get a palindrome (498585894).

It can be divided in two parts, 4544414 and 40, that added together give a palindrome (4544454).

The spelling of 454441440 in words is "four hundred fifty-four million, four hundred forty-one thousand, four hundred forty".