421767161105880 has 32 divisors (see below), whose sum is σ = 1265301483318000. Its totient is φ = 112471242961536.

The previous prime is 421767161105879. The next prime is 421767161105881. The reversal of 421767161105880 is 88501161767124.

It is an interprime number because it is at equal distance from previous prime (421767161105879) and next prime (421767161105881).

It is a self number, because there is not a number n which added to its sum of digits gives 421767161105880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421767161105881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1757363171155 + ... + 1757363171394.

Almost surely, 2^{421767161105880} is an apocalyptic number.

421767161105880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421767161105880 is an abundant number, since it is smaller than the sum of its proper divisors (843534322212120).

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

421767161105880 is a wasteful number, since it uses less digits than its factorization.

421767161105880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514726342563 (or 3514726342559 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 57.

The spelling of 421767161105880 in words is "four hundred twenty-one trillion, seven hundred sixty-seven billion, one hundred sixty-one million, one hundred five thousand, eight hundred eighty".