420835628996 has 12 divisors (see below), whose sum is σ = 743754057900. Its totient is φ = 208334469600.

The previous prime is 420835628987. The next prime is 420835629023. The reversal of 420835628996 is 699826538024.

It can be written as a sum of positive squares in 2 ways, for example, as 183972366400 + 236863262596 = 428920^2 + 486686^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520835771 + ... + 520836578.

It is an arithmetic number, because the mean of its divisors is an integer number (61979504825).

Almost surely, 2^420835628996 is an apocalyptic number.

It is an amenable number.

420835628996 is a deficient number, since it is larger than the sum of its proper divisors (322918428904).

420835628996 is a wasteful number, since it uses less digits than its factorization.

420835628996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041672454 (or 1041672452 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 62.

The spelling of 420835628996 in words is "four hundred twenty billion, eight hundred thirty-five million, six hundred twenty-eight thousand, nine hundred ninety-six".