402044198 has 16 divisors (see below), whose sum is σ = 611767296. Its totient is φ = 198133320.

The previous prime is 402044191. The next prime is 402044213. The reversal of 402044198 is 891440204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402044191) 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, 74243 + ... + 79473.

It is an arithmetic number, because the mean of its divisors is an integer number (38235456).

Almost surely, 2^402044198 is an apocalyptic number.

402044198 is a deficient number, since it is larger than the sum of its proper divisors (209723098).

402044198 is a wasteful number, since it uses less digits than its factorization.

402044198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5779.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 402044198 is about 20051.0398234107. The cubic root of 402044198 is about 738.0593159385.

The spelling of 402044198 in words is "four hundred two million, forty-four thousand, one hundred ninety-eight".