421536455010 has 192 divisors, whose sum is σ = 1211393304576. Its totient is φ = 100846224000.

The previous prime is 421536454987. The next prime is 421536455017. The reversal of 421536455010 is 10554635124.

421536455010 is a `hidden beast` number, since 4 + 2 + 1 + 5 + 3 + 645 + 5 + 0 + 1 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (421536455017) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 90631185 + ... + 90635835.

It is an arithmetic number, because the mean of its divisors is an integer number (6309340128).

Almost surely, 2^421536455010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421536455010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (605696652288).

421536455010 is an abundant number, since it is smaller than the sum of its proper divisors (789856849566).

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

421536455010 is a wasteful number, since it uses less digits than its factorization.

421536455010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5861 (or 5858 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 421536455010 in words is "four hundred twenty-one billion, five hundred thirty-six million, four hundred fifty-five thousand, ten".