454220540 has 24 divisors (see below), whose sum is σ = 960271200. Its totient is φ = 180467648.

The previous prime is 454220539. The next prime is 454220561. The reversal of 454220540 is 45022454.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73232 + ... + 79191.

It is an arithmetic number, because the mean of its divisors is an integer number (40011300).

Almost surely, 2^454220540 is an apocalyptic number.

It is an amenable number.

454220540 is an abundant number, since it is smaller than the sum of its proper divisors (506050660).

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

454220540 is a wasteful number, since it uses less digits than its factorization.

454220540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152581 (or 152579 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 454220540 is about 21312.4503518483. The cubic root of 454220540 is about 768.6977143808.

Adding to 454220540 its reverse (45022454), we get a palindrome (499242994).

The spelling of 454220540 in words is "four hundred fifty-four million, two hundred twenty thousand, five hundred forty".