401472355279 has 4 divisors (see below), whose sum is σ = 401479422840. Its totient is φ = 401465287720.

The previous prime is 401472355241. The next prime is 401472355301. The reversal of 401472355279 is 972553274104.

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 401472355279 - 2¹⁷ = 401472224207 is a prime.

It is a super-2 number, since 2×401472355279² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401472355379) 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, 3447877 + ... + 3562414.

It is an arithmetic number, because the mean of its divisors is an integer number (100369855710).

Almost surely, 2^401472355279 is an apocalyptic number.

401472355279 is a deficient number, since it is larger than the sum of its proper divisors (7067561).

401472355279 is an equidigital number, since it uses as much as digits as its factorization.

401472355279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7067560.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 401472355279 in words is "four hundred one billion, four hundred seventy-two million, three hundred fifty-five thousand, two hundred seventy-nine".