421616500250 has 64 divisors (see below), whose sum is σ = 862937712000. Its totient is φ = 152973184000.

The previous prime is 421616500241. The next prime is 421616500259. The reversal of 421616500250 is 52005616124.

It is an interprime number because it is at equal distance from previous prime (421616500241) and next prime (421616500259).

It is not an unprimeable number, because it can be changed into a prime (421616500259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1064021 + ... + 1405479.

It is an arithmetic number, because the mean of its divisors is an integer number (13483401750).

Almost surely, 2^421616500250 is an apocalyptic number.

421616500250 is an abundant number, since it is smaller than the sum of its proper divisors (441321211750).

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

421616500250 is a wasteful number, since it uses less digits than its factorization.

421616500250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341936 (or 341926 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 421616500250 in words is "four hundred twenty-one billion, six hundred sixteen million, five hundred thousand, two hundred fifty".