401436402 has 16 divisors (see below), whose sum is σ = 850100832. Its totient is φ = 125940800.

The previous prime is 401436379. The next prime is 401436407. The reversal of 401436402 is 204634104.

It is a super-2 number, since 2×401436402² = 322302369701411208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401436407) 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, 1967724 + ... + 1967927.

It is an arithmetic number, because the mean of its divisors is an integer number (53131302).

Almost surely, 2^401436402 is an apocalyptic number.

401436402 is an abundant number, since it is smaller than the sum of its proper divisors (448664430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401436402 is a wasteful number, since it uses less digits than its factorization.

401436402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3935673.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 401436402 is about 20035.8778694621. The cubic root of 401436402 is about 737.6872044923.

The spelling of 401436402 in words is "four hundred one million, four hundred thirty-six thousand, four hundred two".