40845273252 has 24 divisors (see below), whose sum is σ = 108920728896. Its totient is φ = 11670078048.

The previous prime is 40845273247. The next prime is 40845273263. The reversal of 40845273252 is 25237254804.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243126543 + ... + 243126710.

It is an arithmetic number, because the mean of its divisors is an integer number (4538363704).

Almost surely, 2^40845273252 is an apocalyptic number.

40845273252 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40845273252 is an abundant number, since it is smaller than the sum of its proper divisors (68075455644).

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

40845273252 is a wasteful number, since it uses less digits than its factorization.

40845273252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486253267 (or 486253265 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 42.

The spelling of 40845273252 in words is "forty billion, eight hundred forty-five million, two hundred seventy-three thousand, two hundred fifty-two".