401405024202 has 96 divisors (see below), whose sum is σ = 996642548352. Its totient is φ = 105530510592.

The previous prime is 401405024197. The next prime is 401405024203. The reversal of 401405024202 is 202420504104.

It is a happy number.

It is a super-2 number, since 2×401405024202² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401405024203) 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 47 ways as a sum of consecutive naturals, for example, 2160868 + ... + 2339264.

It is an arithmetic number, because the mean of its divisors is an integer number (10381693212).

Almost surely, 2^401405024202 is an apocalyptic number.

401405024202 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 401405024202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498321274176).

401405024202 is an abundant number, since it is smaller than the sum of its proper divisors (595237524150).

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

401405024202 is a wasteful number, since it uses less digits than its factorization.

401405024202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178752 (or 178739 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 401405024202 its reverse (202420504104), we get a palindrome (603825528306).

The spelling of 401405024202 in words is "four hundred one billion, four hundred five million, twenty-four thousand, two hundred two".