401013401420 has 96 divisors (see below), whose sum is σ = 852436690560. Its totient is φ = 158457958400.

The previous prime is 401013401401. The next prime is 401013401461. The reversal of 401013401420 is 24104310104.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 401013401392 and 401013401401.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 539721569 + ... + 539722311.

It is an arithmetic number, because the mean of its divisors is an integer number (8879548860).

Almost surely, 2^401013401420 is an apocalyptic number.

It is an amenable number.

401013401420 is an abundant number, since it is smaller than the sum of its proper divisors (451423289140).

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

401013401420 is a wasteful number, since it uses less digits than its factorization.

401013401420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715 (or 1713 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 401013401420 its reverse (24104310104), we get a palindrome (425117711524).

The spelling of 401013401420 in words is "four hundred one billion, thirteen million, four hundred one thousand, four hundred twenty".