401400202 has 16 divisors (see below), whose sum is σ = 688415040. Its totient is φ = 171953568.

The previous prime is 401400199. The next prime is 401400203. The reversal of 401400202 is 202004104.

It is a super-2 number, since 2×401400202² = 322244244331281608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401400203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37518 + ... + 47014.

It is an arithmetic number, because the mean of its divisors is an integer number (43025940).

Almost surely, 2^401400202 is an apocalyptic number.

401400202 is a deficient number, since it is larger than the sum of its proper divisors (287014838).

401400202 is a wasteful number, since it uses less digits than its factorization.

401400202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12525.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 401400202 is about 20034.9744696618. The cubic root of 401400202 is about 737.6650298885.

Adding to 401400202 its reverse (202004104), we get a palindrome (603404306).

The spelling of 401400202 in words is "four hundred one million, four hundred thousand, two hundred two".