1432134440220 has 144 divisors (see below), whose sum is σ = 4439835830304. Its totient is φ = 344649676800.

The previous prime is 1432134440203. The next prime is 1432134440221. The reversal of 1432134440220 is 220444312341.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1432134440221) 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, 274680 + ... + 1714560.

It is an arithmetic number, because the mean of its divisors is an integer number (30832193266).

Almost surely, 2^{1432134440220} is an apocalyptic number.

1432134440220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1432134440220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2219917915152).

1432134440220 is an abundant number, since it is smaller than the sum of its proper divisors (3007701390084).

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

1432134440220 is a wasteful number, since it uses less digits than its factorization.

1432134440220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440052 (or 1440039 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 1432134440220 its reverse (220444312341), we get a palindrome (1652578752561).

The spelling of 1432134440220 in words is "one trillion, four hundred thirty-two billion, one hundred thirty-four million, four hundred forty thousand, two hundred twenty".