421232132236630 has 64 divisors (see below), whose sum is σ = 895295097119808. Its totient is φ = 140674874780160.

The previous prime is 421232132236499. The next prime is 421232132236637. The reversal of 421232132236630 is 36632231232124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421232132236637) 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, 747352617 + ... + 747916036.

It is an arithmetic number, because the mean of its divisors is an integer number (13988985892497).

Almost surely, 2^{421232132236630} is an apocalyptic number.

421232132236630 is an abundant number, since it is smaller than the sum of its proper divisors (474062964883178).

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

421232132236630 is a wasteful number, since it uses less digits than its factorization.

421232132236630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495268881.

The product of its (nonzero) digits is 373248, while the sum is 40.

Adding to 421232132236630 its reverse (36632231232124), we get a palindrome (457864363468754).

The spelling of 421232132236630 in words is "four hundred twenty-one trillion, two hundred thirty-two billion, one hundred thirty-two million, two hundred thirty-six thousand, six hundred thirty".