401025433421252 has 24 divisors (see below), whose sum is σ = 713703755184000. Its totient is φ = 197110212173856.

The previous prime is 401025433421243. The next prime is 401025433421279. The reversal of 401025433421252 is 252124334520104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5453708 + ... + 28840835.

It is an arithmetic number, because the mean of its divisors is an integer number (29737656466000).

Almost surely, 2^{401025433421252} is an apocalyptic number.

It is an amenable number.

401025433421252 is a deficient number, since it is larger than the sum of its proper divisors (312678321762748).

401025433421252 is a wasteful number, since it uses less digits than its factorization.

401025433421252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34344155 (or 34344153 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 401025433421252 its reverse (252124334520104), we get a palindrome (653149767941356).

The spelling of 401025433421252 in words is "four hundred one trillion, twenty-five billion, four hundred thirty-three million, four hundred twenty-one thousand, two hundred fifty-two".