401302042 has 8 divisors (see below), whose sum is σ = 611821332. Its totient is φ = 197361600.

The previous prime is 401302003. The next prime is 401302043. The reversal of 401302042 is 240203104.

It can be written as a sum of positive squares in 2 ways, for example, as 394379881 + 6922161 = 19859^2 + 2631^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×401302042² = 322086657826739528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401302043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1644559 + ... + 1644802.

Almost surely, 2^401302042 is an apocalyptic number.

401302042 is a deficient number, since it is larger than the sum of its proper divisors (210519290).

401302042 is a wasteful number, since it uses less digits than its factorization.

401302042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3289424.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 401302042 is about 20032.5246037538. The cubic root of 401302042 is about 737.6048944740.

Adding to 401302042 its reverse (240203104), we get a palindrome (641505146).

The spelling of 401302042 in words is "four hundred one million, three hundred two thousand, forty-two".