401478342 has 32 divisors (see below), whose sum is σ = 826956000. Its totient is φ = 129846528.

The previous prime is 401478323. The next prime is 401478353. The reversal of 401478342 is 243874104.

It is a super-2 number, since 2×401478342² = 322369718190137928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84034 + ... + 88682.

It is an arithmetic number, because the mean of its divisors is an integer number (25842375).

Almost surely, 2^401478342 is an apocalyptic number.

401478342 is an abundant number, since it is smaller than the sum of its proper divisors (425477658).

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

401478342 is a wasteful number, since it uses less digits than its factorization.

401478342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5080.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 401478342 is about 20036.9244645979. The cubic root of 401478342 is about 737.7128935129.

The spelling of 401478342 in words is "four hundred one million, four hundred seventy-eight thousand, three hundred forty-two".