40210042240 has 32 divisors (see below), whose sum is σ = 96127133760. Its totient is φ = 16084016640.

The previous prime is 40210042207. The next prime is 40210042241. The reversal of 40210042240 is 4224001204.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×40210042240³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40210042241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31413456 + ... + 31414735.

It is an arithmetic number, because the mean of its divisors is an integer number (3003972930).

Almost surely, 2^40210042240 is an apocalyptic number.

40210042240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40210042240 is an abundant number, since it is smaller than the sum of its proper divisors (55917091520).

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

40210042240 is an equidigital number, since it uses as much as digits as its factorization.

40210042240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62828210 (or 62828198 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 40210042240 its reverse (4224001204), we get a palindrome (44434043444).

The spelling of 40210042240 in words is "forty billion, two hundred ten million, forty-two thousand, two hundred forty".