40120504513 has 8 divisors (see below), whose sum is σ = 41443381760. Its totient is φ = 38799419040.

The previous prime is 40120504511. The next prime is 40120504537. The reversal of 40120504513 is 31540502104.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40120504513 - 2¹ = 40120504511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40120504511) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 402348 + ... + 492061.

It is an arithmetic number, because the mean of its divisors is an integer number (5180422720).

Almost surely, 2^40120504513 is an apocalyptic number.

It is an amenable number.

40120504513 is a deficient number, since it is larger than the sum of its proper divisors (1322877247).

40120504513 is a wasteful number, since it uses less digits than its factorization.

40120504513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895887.

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 40120504513 in words is "forty billion, one hundred twenty million, five hundred four thousand, five hundred thirteen".