402041422320 has 80 divisors (see below), whose sum is σ = 1300516618752. Its totient is φ = 102549694720.

The previous prime is 402041422313. The next prime is 402041422333. The reversal of 402041422320 is 23224140204.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×402041422320² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 36411276 + ... + 36422315.

Almost surely, 2^402041422320 is an apocalyptic number.

402041422320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402041422320 is an abundant number, since it is smaller than the sum of its proper divisors (898475196432).

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

402041422320 is a wasteful number, since it uses less digits than its factorization.

402041422320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72833630 (or 72833624 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 402041422320 its reverse (23224140204), we get a palindrome (425265562524).

The spelling of 402041422320 in words is "four hundred two billion, forty-one million, four hundred twenty-two thousand, three hundred twenty".