40214232432 has 160 divisors (see below), whose sum is σ = 127988593920. Its totient is φ = 11986272000.

The previous prime is 40214232407. The next prime is 40214232433. The reversal of 40214232432 is 23423241204.

40214232432 is a `hidden beast` number, since 402 + 14 + 2 + 3 + 243 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 40214232396 and 40214232405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40214232433) 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, 220507 + ... + 359237.

It is an arithmetic number, because the mean of its divisors is an integer number (799928712).

Almost surely, 2^40214232432 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 40214232432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63994296960).

40214232432 is an abundant number, since it is smaller than the sum of its proper divisors (87774361488).

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

40214232432 is a wasteful number, since it uses less digits than its factorization.

40214232432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138820 (or 138808 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 40214232432 its reverse (23423241204), we get a palindrome (63637473636).

The spelling of 40214232432 in words is "forty billion, two hundred fourteen million, two hundred thirty-two thousand, four hundred thirty-two".