400402202 has 8 divisors (see below), whose sum is σ = 610783200. Its totient is φ = 196807804.

The previous prime is 400402201. The next prime is 400402213. The reversal of 400402202 is 202204004.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (400402201) 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, 1696502 + ... + 1696737.

It is an arithmetic number, because the mean of its divisors is an integer number (76347900).

Almost surely, 2^400402202 is an apocalyptic number.

400402202 is a deficient number, since it is larger than the sum of its proper divisors (210380998).

400402202 is a wasteful number, since it uses less digits than its factorization.

400402202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393300.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 400402202 is about 20010.0525236692. The cubic root of 400402202 is about 737.0531711425.

Adding to 400402202 its reverse (202204004), we get a palindrome (602606206).

The spelling of 400402202 in words is "four hundred million, four hundred two thousand, two hundred two".