420715959822 has 32 divisors (see below), whose sum is σ = 935168729760. Its totient is φ = 140201997120.

The previous prime is 420715959821. The next prime is 420715959869. The reversal of 420715959822 is 228959517024.

420715959822 is a `hidden beast` number, since 4 + 20 + 7 + 1 + 5 + 9 + 598 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420715959821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 809329 + ... + 1223292.

It is an arithmetic number, because the mean of its divisors is an integer number (29224022805).

Almost surely, 2^420715959822 is an apocalyptic number.

420715959822 is an abundant number, since it is smaller than the sum of its proper divisors (514452769938).

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

420715959822 is a wasteful number, since it uses less digits than its factorization.

420715959822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036465 (or 2036459 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 420715959822 in words is "four hundred twenty billion, seven hundred fifteen million, nine hundred fifty-nine thousand, eight hundred twenty-two".