40420330132 has 96 divisors (see below), whose sum is σ = 87932837888. Its totient is φ = 15830567424.

The previous prime is 40420330099. The next prime is 40420330147. The reversal of 40420330132 is 23103302404.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40541458 + ... + 40542454.

Almost surely, 2^40420330132 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 40420330132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43966418944).

40420330132 is an abundant number, since it is smaller than the sum of its proper divisors (47512507756).

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

40420330132 is a wasteful number, since it uses less digits than its factorization.

40420330132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025 (or 2023 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 40420330132 its reverse (23103302404), we get a palindrome (63523632536).

The spelling of 40420330132 in words is "forty billion, four hundred twenty million, three hundred thirty thousand, one hundred thirty-two".