420565136336 has 10 divisors (see below), whose sum is σ = 814844951682. Its totient is φ = 210282568160.

The previous prime is 420565136311. The next prime is 420565136447. The reversal of 420565136336 is 633631565024.

It can be written as a sum of positive squares in only one way, i.e., 383339292736 + 37225843600 = 619144^2 + 192940^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13142660495 + ... + 13142660526.

Almost surely, 2^420565136336 is an apocalyptic number.

It is an amenable number.

420565136336 is a deficient number, since it is larger than the sum of its proper divisors (394279815346).

420565136336 is a wasteful number, since it uses less digits than its factorization.

420565136336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26285321029 (or 26285321023 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 44.

The spelling of 420565136336 in words is "four hundred twenty billion, five hundred sixty-five million, one hundred thirty-six thousand, three hundred thirty-six".