421240251300 has 144 divisors (see below), whose sum is σ = 1330230734784. Its totient is φ = 102069440000.

The previous prime is 421240251251. The next prime is 421240251307. The reversal of 421240251300 is 3152042124.

It is not an unprimeable number, because it can be changed into a prime (421240251307) 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, 7035490 + ... + 7095110.

It is an arithmetic number, because the mean of its divisors is an integer number (9237713436).

Almost surely, 2^421240251300 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 421240251300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665115367392).

421240251300 is an abundant number, since it is smaller than the sum of its proper divisors (908990483484).

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

421240251300 is a wasteful number, since it uses less digits than its factorization.

421240251300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61790 (or 61783 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 421240251300 its reverse (3152042124), we get a palindrome (424392293424).

The spelling of 421240251300 in words is "four hundred twenty-one billion, two hundred forty million, two hundred fifty-one thousand, three hundred".