401264067 has 4 divisors (see below), whose sum is σ = 535018760. Its totient is φ = 267509376.

The previous prime is 401264057. The next prime is 401264111. The reversal of 401264067 is 760462104.

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

It is not a de Polignac number, because 401264067 - 2¹⁰ = 401263043 is a prime.

It is a super-2 number, since 2×401264067² = 322025702930760978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401264047) 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, 66877342 + ... + 66877347.

It is an arithmetic number, because the mean of its divisors is an integer number (133754690).

Almost surely, 2^401264067 is an apocalyptic number.

401264067 is a deficient number, since it is larger than the sum of its proper divisors (133754693).

401264067 is a wasteful number, since it uses less digits than its factorization.

401264067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133754692.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 401264067 is about 20031.5767477251. The cubic root of 401264067 is about 737.5816273531.

The spelling of 401264067 in words is "four hundred one million, two hundred sixty-four thousand, sixty-seven".