421348698624 has 320 divisors, whose sum is σ = 1393956495360. Its totient is φ = 110368604160.

The previous prime is 421348698577. The next prime is 421348698637. The reversal of 421348698624 is 426896843124.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6299662 + ... + 6366194.

It is an arithmetic number, because the mean of its divisors is an integer number (4356114048).

Almost surely, 2^421348698624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421348698624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696978247680).

421348698624 is an abundant number, since it is smaller than the sum of its proper divisors (972607796736).

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

421348698624 is a wasteful number, since it uses less digits than its factorization.

421348698624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66611 (or 66595 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 57.

The spelling of 421348698624 in words is "four hundred twenty-one billion, three hundred forty-eight million, six hundred ninety-eight thousand, six hundred twenty-four".