400211452 has 6 divisors (see below), whose sum is σ = 700370048. Its totient is φ = 200105724.

The previous prime is 400211443. The next prime is 400211479. The reversal of 400211452 is 254112004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50026428 + ... + 50026435.

Almost surely, 2^400211452 is an apocalyptic number.

It is an amenable number.

400211452 is a deficient number, since it is larger than the sum of its proper divisors (300158596).

400211452 is a wasteful number, since it uses less digits than its factorization.

400211452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100052867 (or 100052865 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 400211452 is about 20005.2856015604. The cubic root of 400211452 is about 736.9361094951.

Adding to 400211452 its reverse (254112004), we get a palindrome (654323456).

The spelling of 400211452 in words is "four hundred million, two hundred eleven thousand, four hundred fifty-two".