2045040465765 has 32 divisors (see below), whose sum is σ = 3569802731136. Its totient is φ = 991457672960.

The previous prime is 2045040465763. The next prime is 2045040465821. The reversal of 2045040465765 is 5675640405402.

It is not a de Polignac number, because 2045040465765 - 2¹ = 2045040465763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045040465763) 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, 1675759 + ... + 2626451.

It is an arithmetic number, because the mean of its divisors is an integer number (111556335348).

Almost surely, 2^{2045040465765} is an apocalyptic number.

It is an amenable number.

2045040465765 is a deficient number, since it is larger than the sum of its proper divisors (1524762265371).

2045040465765 is a wasteful number, since it uses less digits than its factorization.

2045040465765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963749.

The product of its (nonzero) digits is 4032000, while the sum is 48.

The spelling of 2045040465765 in words is "two trillion, forty-five billion, forty million, four hundred sixty-five thousand, seven hundred sixty-five".