452778950 has 48 divisors (see below), whose sum is σ = 910306320. Its totient is φ = 166561920.

The previous prime is 452778919. The next prime is 452778961. The reversal of 452778950 is 59877254.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 452778895 and 452778904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198416 + ... + 200684.

It is an arithmetic number, because the mean of its divisors is an integer number (18964715).

Almost surely, 2^452778950 is an apocalyptic number.

452778950 is an abundant number, since it is smaller than the sum of its proper divisors (457527370).

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

452778950 is a wasteful number, since it uses less digits than its factorization.

452778950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601 (or 2596 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 47.

The square root of 452778950 is about 21278.6031026475. The cubic root of 452778950 is about 767.8836301456.

The spelling of 452778950 in words is "four hundred fifty-two million, seven hundred seventy-eight thousand, nine hundred fifty".