420024402402 has 32 divisors (see below), whose sum is σ = 916511492160. Its totient is φ = 127266981120.

The previous prime is 420024402389. The next prime is 420024402419. The reversal of 420024402402 is 204204420024.

420024402402 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×420024402402² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325374 + ... + 972582.

It is an arithmetic number, because the mean of its divisors is an integer number (28640984130).

Almost surely, 2^420024402402 is an apocalyptic number.

420024402402 is an abundant number, since it is smaller than the sum of its proper divisors (496487089758).

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

420024402402 is a wasteful number, since it uses less digits than its factorization.

420024402402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657058.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 420024402402 its reverse (204204420024), we get a palindrome (624228822426).

The spelling of 420024402402 in words is "four hundred twenty billion, twenty-four million, four hundred two thousand, four hundred two".