452209412 has 24 divisors (see below), whose sum is σ = 840788760. Its totient is φ = 212405760.

The previous prime is 452209399. The next prime is 452209423. The reversal of 452209412 is 214902254.

It can be written as a sum of positive squares in 4 ways, for example, as 250398976 + 201810436 = 15824^2 + 14206^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48389 + ... + 56972.

It is an arithmetic number, because the mean of its divisors is an integer number (35032865).

Almost surely, 2^452209412 is an apocalyptic number.

It is an amenable number.

452209412 is a deficient number, since it is larger than the sum of its proper divisors (388579348).

452209412 is a wasteful number, since it uses less digits than its factorization.

452209412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105431 (or 105429 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 452209412 is about 21265.2160111295. The cubic root of 452209412 is about 767.5615285937.

The spelling of 452209412 in words is "four hundred fifty-two million, two hundred nine thousand, four hundred twelve".