454779090 has 64 divisors (see below), whose sum is σ = 1214870400. Its totient is φ = 121061952.

The previous prime is 454779089. The next prime is 454779107. The reversal of 454779090 is 90977454.

454779090 is a `hidden beast` number, since 4 + 5 + 477 + 90 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207621 + ... + 209799.

It is an arithmetic number, because the mean of its divisors is an integer number (18982350).

Almost surely, 2^454779090 is an apocalyptic number.

454779090 is an abundant number, since it is smaller than the sum of its proper divisors (760091310).

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

454779090 is a wasteful number, since it uses less digits than its factorization.

454779090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968 (or 2962 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 454779090 is about 21325.5501687530. The cubic root of 454779090 is about 769.0126716899.

The spelling of 454779090 in words is "four hundred fifty-four million, seven hundred seventy-nine thousand, ninety".