2040511451685 has 32 divisors (see below), whose sum is σ = 3731538535680. Its totient is φ = 932725836288.

The previous prime is 2040511451683. The next prime is 2040511451819. The reversal of 2040511451685 is 5861541150402.

It is not a de Polignac number, because 2040511451685 - 2¹ = 2040511451683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040511451683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 421311 + ... + 2063619.

It is an arithmetic number, because the mean of its divisors is an integer number (116610579240).

Almost surely, 2^{2040511451685} is an apocalyptic number.

It is an amenable number.

2040511451685 is a deficient number, since it is larger than the sum of its proper divisors (1691027083995).

2040511451685 is a wasteful number, since it uses less digits than its factorization.

2040511451685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654157.

The product of its (nonzero) digits is 192000, while the sum is 42.

The spelling of 2040511451685 in words is "two trillion, forty billion, five hundred eleven million, four hundred fifty-one thousand, six hundred eighty-five".