401302242 has 32 divisors (see below), whose sum is σ = 972855360. Its totient is φ = 121606560.

The previous prime is 401302201. The next prime is 401302267. The reversal of 401302242 is 242203104.

It is a super-2 number, since 2×401302242² = 322086978868453128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 337203 + ... + 338390.

It is an arithmetic number, because the mean of its divisors is an integer number (30401730).

Almost surely, 2^401302242 is an apocalyptic number.

401302242 is an abundant number, since it is smaller than the sum of its proper divisors (571553118).

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

401302242 is a wasteful number, since it uses less digits than its factorization.

401302242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675615 (or 675609 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 401302242 is about 20032.5295956352. The cubic root of 401302242 is about 737.6050170093.

Adding to 401302242 its reverse (242203104), we get a palindrome (643505346).

The spelling of 401302242 in words is "four hundred one million, three hundred two thousand, two hundred forty-two".