401054142 has 16 divisors (see below), whose sum is σ = 808232832. Its totient is φ = 132663960.

The previous prime is 401054141. The next prime is 401054167. The reversal of 401054142 is 241450104.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401054141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254338 + ... + 255909.

It is an arithmetic number, because the mean of its divisors is an integer number (50514552).

Almost surely, 2^401054142 is an apocalyptic number.

401054142 is an abundant number, since it is smaller than the sum of its proper divisors (407178690).

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

401054142 is a wasteful number, since it uses less digits than its factorization.

401054142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510383.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 401054142 is about 20026.3362101009. The cubic root of 401054142 is about 737.4529807044.

The spelling of 401054142 in words is "four hundred one million, fifty-four thousand, one hundred forty-two".