401214011020 has 24 divisors (see below), whose sum is σ = 842602569984. Its totient is φ = 160475481216.

The previous prime is 401214010999. The next prime is 401214011027. The reversal of 401214011020 is 20110412104.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 401214010985 and 401214011003.

It is not an unprimeable number, because it can be changed into a prime (401214011027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303532 + ... + 945811.

It is an arithmetic number, because the mean of its divisors is an integer number (35108440416).

Almost surely, 2^401214011020 is an apocalyptic number.

It is an amenable number.

401214011020 is an abundant number, since it is smaller than the sum of its proper divisors (441388558964).

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

401214011020 is a wasteful number, since it uses less digits than its factorization.

401214011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265409 (or 1265407 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 401214011020 its reverse (20110412104), we get a palindrome (421324423124).

The spelling of 401214011020 in words is "four hundred one billion, two hundred fourteen million, eleven thousand, twenty".