401404025131 has 8 divisors (see below), whose sum is σ = 410594241024. Its totient is φ = 392240880360.

The previous prime is 401404025129. The next prime is 401404025159. The reversal of 401404025131 is 131520404104.

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

It is a cyclic number.

It is not a de Polignac number, because 401404025131 - 2¹ = 401404025129 is a prime.

It is a super-2 number, since 2×401404025131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401404025096 and 401404025105.

It is not an unprimeable number, because it can be changed into a prime (401404025531) 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, 6737785 + ... + 6797098.

It is an arithmetic number, because the mean of its divisors is an integer number (51324280128).

Almost surely, 2^401404025131 is an apocalyptic number.

401404025131 is a deficient number, since it is larger than the sum of its proper divisors (9190215893).

401404025131 is a wasteful number, since it uses less digits than its factorization.

401404025131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13535561.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 401404025131 its reverse (131520404104), we get a palindrome (532924429235).

The spelling of 401404025131 in words is "four hundred one billion, four hundred four million, twenty-five thousand, one hundred thirty-one".