401255342 has 8 divisors (see below), whose sum is σ = 612084600. Its totient is φ = 197227144.

The previous prime is 401255333. The next prime is 401255363. The reversal of 401255342 is 243552104.

It is a happy number.

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

It is a super-2 number, since 2×401255342² = 322011698967073928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1700117 + ... + 1700352.

It is an arithmetic number, because the mean of its divisors is an integer number (76510575).

Almost surely, 2^401255342 is an apocalyptic number.

401255342 is a deficient number, since it is larger than the sum of its proper divisors (210829258).

401255342 is a wasteful number, since it uses less digits than its factorization.

401255342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400530.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 401255342 is about 20031.3589653823. The cubic root of 401255342 is about 737.5762813753.

The spelling of 401255342 in words is "four hundred one million, two hundred fifty-five thousand, three hundred forty-two".