454452192090 has 288 divisors, whose sum is σ = 1352177963136. Its totient is φ = 109254821760.

The previous prime is 454452192017. The next prime is 454452192097. The reversal of 454452192090 is 90291254454.

454452192090 is a `hidden beast` number, since 4 + 5 + 4 + 452 + 192 + 0 + 9 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (454452192097) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 36669795 + ... + 36682185.

It is an arithmetic number, because the mean of its divisors is an integer number (4695062372).

Almost surely, 2^454452192090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454452192090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (676088981568).

454452192090 is an abundant number, since it is smaller than the sum of its proper divisors (897725771046).

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

454452192090 is a wasteful number, since it uses less digits than its factorization.

454452192090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12478 (or 12457 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 454452192090 in words is "four hundred fifty-four billion, four hundred fifty-two million, one hundred ninety-two thousand, ninety".