421456565250 has 96 divisors (see below), whose sum is σ = 1302421251456. Its totient is φ = 96332925600.

The previous prime is 421456565209. The next prime is 421456565251. The reversal of 421456565250 is 52565654124.

421456565250 is a `hidden beast` number, since 4 + 2 + 1 + 4 + 565 + 65 + 25 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 421456565196 and 421456565205.

It is not an unprimeable number, because it can be changed into a prime (421456565251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13363824 + ... + 13395323.

It is an arithmetic number, because the mean of its divisors is an integer number (13566888036).

Almost surely, 2^421456565250 is an apocalyptic number.

421456565250 is an abundant number, since it is smaller than the sum of its proper divisors (880964686206).

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

421456565250 is a wasteful number, since it uses less digits than its factorization.

421456565250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26759177 (or 26759164 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

The spelling of 421456565250 in words is "four hundred twenty-one billion, four hundred fifty-six million, five hundred sixty-five thousand, two hundred fifty".