40452515540 has 48 divisors (see below), whose sum is σ = 87979820544. Its totient is φ = 15613651200.

The previous prime is 40452515539. The next prime is 40452515569. The reversal of 40452515540 is 4551525404.

It is a self number, because there is not a number n which added to its sum of digits gives 40452515540.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236321 + ... + 369800.

It is an arithmetic number, because the mean of its divisors is an integer number (1832912928).

Almost surely, 2^40452515540 is an apocalyptic number.

It is an amenable number.

40452515540 is an abundant number, since it is smaller than the sum of its proper divisors (47527305004).

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

40452515540 is a wasteful number, since it uses less digits than its factorization.

40452515540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606248 (or 606246 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 40452515540 in words is "forty billion, four hundred fifty-two million, five hundred fifteen thousand, five hundred forty".