401570042 has 8 divisors (see below), whose sum is σ = 604292832. Its totient is φ = 200139100.

The previous prime is 401570023. The next prime is 401570053. The reversal of 401570042 is 240075104.

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

It is a super-2 number, since 2×401570042² = 322516997263763528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322184 + ... + 323427.

It is an arithmetic number, because the mean of its divisors is an integer number (75536604).

Almost surely, 2^401570042 is an apocalyptic number.

401570042 is a deficient number, since it is larger than the sum of its proper divisors (202722790).

401570042 is a wasteful number, since it uses less digits than its factorization.

401570042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645924.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 401570042 is about 20039.2126092818. The cubic root of 401570042 is about 737.7690552162.

The spelling of 401570042 in words is "four hundred one million, five hundred seventy thousand, forty-two".