401258027 has 4 divisors (see below), whose sum is σ = 405153840. Its totient is φ = 397362216.

The previous prime is 401257981. The next prime is 401258063. The reversal of 401258027 is 720852104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401258027 - 2²⁰ = 400209451 is a prime.

It is a super-2 number, since 2×401258027² = 322016008463865458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401258527) 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, 1947752 + ... + 1947957.

It is an arithmetic number, because the mean of its divisors is an integer number (101288460).

Almost surely, 2^401258027 is an apocalyptic number.

401258027 is a deficient number, since it is larger than the sum of its proper divisors (3895813).

401258027 is a wasteful number, since it uses less digits than its factorization.

401258027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3895812.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 401258027 is about 20031.4259851864. The cubic root of 401258027 is about 737.5779265355.

The spelling of 401258027 in words is "four hundred one million, two hundred fifty-eight thousand, twenty-seven".