402541298 has 4 divisors (see below), whose sum is σ = 603811950. Its totient is φ = 201270648.

The previous prime is 402541297. The next prime is 402541301. The reversal of 402541298 is 892145204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 387971809 + 14569489 = 19697^2 + 3817^2 .

It is not an unprimeable number, because it can be changed into a prime (402541297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100635323 + ... + 100635326.

Almost surely, 2^402541298 is an apocalyptic number.

402541298 is a deficient number, since it is larger than the sum of its proper divisors (201270652).

402541298 is a wasteful number, since it uses less digits than its factorization.

402541298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201270651.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 402541298 is about 20063.4318599785. The cubic root of 402541298 is about 738.3633771839.

The spelling of 402541298 in words is "four hundred two million, five hundred forty-one thousand, two hundred ninety-eight".