401130342231440 has 20 divisors (see below), whose sum is σ = 932628045688284. Its totient is φ = 160452136892544.

The previous prime is 401130342231427. The next prime is 401130342231457. The reversal of 401130342231440 is 44132243031104.

It can be written as a sum of positive squares in 2 ways, for example, as 121337010334864 + 279793331896576 = 11015308^2 + 16727024^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 401130342231397 and 401130342231406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2507064638867 + ... + 2507064639026.

Almost surely, 2^{401130342231440} is an apocalyptic number.

401130342231440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401130342231440 is an abundant number, since it is smaller than the sum of its proper divisors (531497703456844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401130342231440 is a wasteful number, since it uses less digits than its factorization.

401130342231440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5014129277906 (or 5014129277900 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 401130342231440 its reverse (44132243031104), we get a palindrome (445262585262544).

The spelling of 401130342231440 in words is "four hundred one trillion, one hundred thirty billion, three hundred forty-two million, two hundred thirty-one thousand, four hundred forty".