401043404340324 has 60 divisors (see below), whose sum is σ = 1048411616499324. Its totient is φ = 133680505000896.

The previous prime is 401043404340317. The next prime is 401043404340373. The reversal of 401043404340324 is 423043404340104.

It can be written as a sum of positive squares in 2 ways, for example, as 312758588340324 + 88284816000000 = 17684982^2 + 9396000^2 .

It is a super-2 number, since 2×401043404340324² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 68673274 + ... + 74283950.

Almost surely, 2^{401043404340324} is an apocalyptic number.

It is an amenable number.

401043404340324 is an abundant number, since it is smaller than the sum of its proper divisors (647368212159000).

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

401043404340324 is a wasteful number, since it uses less digits than its factorization.

401043404340324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5831306 (or 5831295 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 401043404340324 its reverse (423043404340104), we get a palindrome (824086808680428).

The spelling of 401043404340324 in words is "four hundred one trillion, forty-three billion, four hundred four million, three hundred forty thousand, three hundred twenty-four".