401804306447622 has 48 divisors (see below), whose sum is σ = 870182696571408. Its totient is φ = 123631674316800.

The previous prime is 401804306447611. The next prime is 401804306447627. The reversal of 401804306447622 is 226744603408104.

It is a super-2 number, since 2×401804306447622² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401804306447627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 440505622 + ... + 441416822.

It is an arithmetic number, because the mean of its divisors is an integer number (18128806178571).

Almost surely, 2^{401804306447622} is an apocalyptic number.

401804306447622 is an abundant number, since it is smaller than the sum of its proper divisors (468378390123786).

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

401804306447622 is a wasteful number, since it uses less digits than its factorization.

401804306447622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346105 (or 1346092 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 51.

The spelling of 401804306447622 in words is "four hundred one trillion, eight hundred four billion, three hundred six million, four hundred forty-seven thousand, six hundred twenty-two".