452178090 has 288 divisors, whose sum is σ = 1512815616. Its totient is φ = 91653120.

The previous prime is 452178037. The next prime is 452178143. The reversal of 452178090 is 90871254.

It is an interprime number because it is at equal distance from previous prime (452178037) and next prime (452178143).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3300502 + ... + 3300638.

It is an arithmetic number, because the mean of its divisors is an integer number (5252832).

Almost surely, 2^452178090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 452178090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (756407808).

452178090 is an abundant number, since it is smaller than the sum of its proper divisors (1060637526).

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

452178090 is a wasteful number, since it uses less digits than its factorization.

452178090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 452178090 is about 21264.4795374822. The cubic root of 452178090 is about 767.5438066293.

The spelling of 452178090 in words is "four hundred fifty-two million, one hundred seventy-eight thousand, ninety".