40530520240 has 160 divisors (see below), whose sum is σ = 109444423680. Its totient is φ = 13671770112.

The previous prime is 40530520237. The next prime is 40530520297. The reversal of 40530520240 is 4202503504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13845657 + ... + 13848583.

It is an arithmetic number, because the mean of its divisors is an integer number (684027648).

Almost surely, 2^40530520240 is an apocalyptic number.

40530520240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40530520240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54722211840).

40530520240 is an abundant number, since it is smaller than the sum of its proper divisors (68913903440).

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

40530520240 is a wasteful number, since it uses less digits than its factorization.

40530520240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339 (or 3333 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The spelling of 40530520240 in words is "forty billion, five hundred thirty million, five hundred twenty thousand, two hundred forty".