420556696 has 32 divisors (see below), whose sum is σ = 918203040. Its totient is φ = 176836608.

The previous prime is 420556691. The next prime is 420556699. The reversal of 420556696 is 696655024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420556691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67881 + ... + 73816.

It is an arithmetic number, because the mean of its divisors is an integer number (28693845).

Almost surely, 2^420556696 is an apocalyptic number.

It is an amenable number.

420556696 is an abundant number, since it is smaller than the sum of its proper divisors (497646344).

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

420556696 is a wasteful number, since it uses less digits than its factorization.

420556696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141763 (or 141759 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 420556696 is about 20507.4790259554. The cubic root of 420556696 is about 749.2179676655.

The spelling of 420556696 in words is "four hundred twenty million, five hundred fifty-six thousand, six hundred ninety-six".