402205040580 has 192 divisors, whose sum is σ = 1292076656640. Its totient is φ = 91574654976.

The previous prime is 402205040579. The next prime is 402205040647. The reversal of 402205040580 is 85040502204.

It is a super-4 number, since 4×402205040580⁴ (a number of 48 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 247205727 + ... + 247207353.

It is an arithmetic number, because the mean of its divisors is an integer number (6729565920).

Almost surely, 2^402205040580 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402205040580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646038328320).

402205040580 is an abundant number, since it is smaller than the sum of its proper divisors (889871616060).

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

402205040580 is a wasteful number, since it uses less digits than its factorization.

402205040580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578 (or 3576 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 402205040580 its reverse (85040502204), we get a palindrome (487245542784).

The spelling of 402205040580 in words is "four hundred two billion, two hundred five million, forty thousand, five hundred eighty".