40575140540 has 144 divisors (see below), whose sum is σ = 96858737472. Its totient is φ = 14256000000.

The previous prime is 40575140521. The next prime is 40575140587. The reversal of 40575140540 is 4504157504.

It is a self number, because there is not a number n which added to its sum of digits gives 40575140540.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 13519040 + ... + 13522040.

Almost surely, 2^40575140540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40575140540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48429368736).

40575140540 is an abundant number, since it is smaller than the sum of its proper divisors (56283596932).

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

40575140540 is a wasteful number, since it uses less digits than its factorization.

40575140540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220 (or 3207 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 35.

The spelling of 40575140540 in words is "forty billion, five hundred seventy-five million, one hundred forty thousand, five hundred forty".