40105052240 has 80 divisors (see below), whose sum is σ = 107704624320. Its totient is φ = 13725788160.

The previous prime is 40105052227. The next prime is 40105052243. The reversal of 40105052240 is 4225050104.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40105052243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1325450 + ... + 1355369.

It is an arithmetic number, because the mean of its divisors is an integer number (1346307804).

Almost surely, 2^40105052240 is an apocalyptic number.

40105052240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40105052240 is an abundant number, since it is smaller than the sum of its proper divisors (67599572080).

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

40105052240 is a wasteful number, since it uses less digits than its factorization.

40105052240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680860 (or 2680854 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The spelling of 40105052240 in words is "forty billion, one hundred five million, fifty-two thousand, two hundred forty".