402224404040 has 32 divisors (see below), whose sum is σ = 905175406080. Its totient is φ = 160859451072.

The previous prime is 402224404019. The next prime is 402224404051. The reversal of 402224404040 is 40404422204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731624 + ... + 1157463.

It is an arithmetic number, because the mean of its divisors is an integer number (28286731440).

Almost surely, 2^402224404040 is an apocalyptic number.

402224404040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402224404040 is an abundant number, since it is smaller than the sum of its proper divisors (502951002040).

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

402224404040 is a wasteful number, since it uses less digits than its factorization.

402224404040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894421 (or 1894417 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 402224404040 its reverse (40404422204), we get a palindrome (442628826244).

The spelling of 402224404040 in words is "four hundred two billion, two hundred twenty-four million, four hundred four thousand, forty".