400211245 has 8 divisors (see below), whose sum is σ = 548861184. Its totient is φ = 274430544.

The previous prime is 400211237. The next prime is 400211249. The reversal of 400211245 is 542112004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400211245 - 2³ = 400211237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400211249) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5717269 + ... + 5717338.

It is an arithmetic number, because the mean of its divisors is an integer number (68607648).

Almost surely, 2^400211245 is an apocalyptic number.

It is an amenable number.

400211245 is a deficient number, since it is larger than the sum of its proper divisors (148649939).

400211245 is a wasteful number, since it uses less digits than its factorization.

400211245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11434619.

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

The square root of 400211245 is about 20005.2804279270. The cubic root of 400211245 is about 736.9359824407.

Adding to 400211245 its reverse (542112004), we get a palindrome (942323249).

The spelling of 400211245 in words is "four hundred million, two hundred eleven thousand, two hundred forty-five".