401277147 has 8 divisors (see below), whose sum is σ = 553485840. Its totient is φ = 258293280.

The previous prime is 401277077. The next prime is 401277157. The reversal of 401277147 is 741772104.

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

It is not a de Polignac number, because 401277147 - 2¹⁰ = 401276123 is a prime.

It is a super-2 number, since 2×401277147² = 322046697408919218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401277157) 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, 2306104 + ... + 2306277.

It is an arithmetic number, because the mean of its divisors is an integer number (69185730).

Almost surely, 2^401277147 is an apocalyptic number.

401277147 is a deficient number, since it is larger than the sum of its proper divisors (152208693).

401277147 is a wasteful number, since it uses less digits than its factorization.

401277147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4612413.

The product of its (nonzero) digits is 10976, while the sum is 33.

The square root of 401277147 is about 20031.9032295985. The cubic root of 401277147 is about 737.5896415792.

It can be divided in two parts, 40127 and 7147, that added together give a palindrome (47274).

The spelling of 401277147 in words is "four hundred one million, two hundred seventy-seven thousand, one hundred forty-seven".