40301021232 has 200 divisors, whose sum is σ = 118795010224. Its totient is φ = 13242092544.

The previous prime is 40301021209. The next prime is 40301021237. The reversal of 40301021232 is 23212010304.

40301021232 is a `hidden beast` number, since 403 + 0 + 10 + 21 + 232 = 666.

It is a super-2 number, since 2×40301021232² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40301021237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22988868 + ... + 22990620.

Almost surely, 2^40301021232 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 40301021232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59397505112).

40301021232 is an abundant number, since it is smaller than the sum of its proper divisors (78493988992).

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

40301021232 is an frugal number, since it uses more digits than its factorization.

40301021232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861 (or 1831 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 40301021232 its reverse (23212010304), we get a palindrome (63513031536).

The spelling of 40301021232 in words is "forty billion, three hundred one million, twenty-one thousand, two hundred thirty-two".