401836402 has 48 divisors (see below), whose sum is σ = 681581376. Its totient is φ = 177487200.

The previous prime is 401836399. The next prime is 401836403. The reversal of 401836402 is 204638104.

It is a super-2 number, since 2×401836402² = 322944987944611208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401836403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2406123 + ... + 2406289.

It is an arithmetic number, because the mean of its divisors is an integer number (14199612).

Almost surely, 2^401836402 is an apocalyptic number.

401836402 is a deficient number, since it is larger than the sum of its proper divisors (279744974).

401836402 is a wasteful number, since it uses less digits than its factorization.

401836402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 401836402 is about 20045.8574772944. The cubic root of 401836402 is about 737.9321390392.

The spelling of 401836402 in words is "four hundred one million, eight hundred thirty-six thousand, four hundred two".