40508784511 has 16 divisors (see below), whose sum is σ = 43779947904. Its totient is φ = 37259931744.

The previous prime is 40508784493. The next prime is 40508784521. The reversal of 40508784511 is 11548780504.

It is a cyclic number.

It is not a de Polignac number, because 40508784511 - 2¹¹ = 40508782463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40508784521) 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, 12101340 + ... + 12104686.

It is an arithmetic number, because the mean of its divisors is an integer number (2736246744).

Almost surely, 2^40508784511 is an apocalyptic number.

40508784511 is a deficient number, since it is larger than the sum of its proper divisors (3271163393).

40508784511 is a wasteful number, since it uses less digits than its factorization.

40508784511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6390.

The product of its (nonzero) digits is 179200, while the sum is 43.

The spelling of 40508784511 in words is "forty billion, five hundred eight million, seven hundred eighty-four thousand, five hundred eleven".