40434632252 has 96 divisors (see below), whose sum is σ = 83655936000. Its totient is φ = 16745444352.

The previous prime is 40434632221. The next prime is 40434632257. The reversal of 40434632252 is 25223643404.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40434632257) by changing a digit.

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, 20745374 + ... + 20747322.

It is an arithmetic number, because the mean of its divisors is an integer number (871416000).

Almost surely, 2^40434632252 is an apocalyptic number.

It is an amenable number.

40434632252 is an abundant number, since it is smaller than the sum of its proper divisors (43221303748).

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

40434632252 is a wasteful number, since it uses less digits than its factorization.

40434632252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235 (or 2233 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

The spelling of 40434632252 in words is "forty billion, four hundred thirty-four million, six hundred thirty-two thousand, two hundred fifty-two".