400053322 has 8 divisors (see below), whose sum is σ = 631663200. Its totient is φ = 189498924.

The previous prime is 400053319. The next prime is 400053323. The reversal of 400053322 is 223350004.

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

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 400053322.

It is not an unprimeable number, because it can be changed into a prime (400053323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5263822 + ... + 5263897.

It is an arithmetic number, because the mean of its divisors is an integer number (78957900).

Almost surely, 2^400053322 is an apocalyptic number.

400053322 is a deficient number, since it is larger than the sum of its proper divisors (231609878).

400053322 is a wasteful number, since it uses less digits than its factorization.

400053322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10527740.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 400053322 is about 20001.3330055774. Note that the first 3 decimals coincide. The cubic root of 400053322 is about 736.8390382613.

The spelling of 400053322 in words is "four hundred million, fifty-three thousand, three hundred twenty-two".