32421401430 has 128 divisors (see below), whose sum is σ = 85501785600. Its totient is φ = 7802880000.

The previous prime is 32421401423. The next prime is 32421401477. The reversal of 32421401430 is 3410412423.

It is a super-2 number, since 2×32421401430² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32421401430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42160086 + ... + 42160854.

It is an arithmetic number, because the mean of its divisors is an integer number (667982700).

Almost surely, 2^32421401430 is an apocalyptic number.

32421401430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 32421401430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42750892800).

32421401430 is an abundant number, since it is smaller than the sum of its proper divisors (53080384170).

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

32421401430 is a wasteful number, since it uses less digits than its factorization.

32421401430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 32421401430 its reverse (3410412423), we get a palindrome (35831813853).

The spelling of 32421401430 in words is "thirty-two billion, four hundred twenty-one million, four hundred one thousand, four hundred thirty".