40050500645 has 16 divisors (see below), whose sum is σ = 50180480640. Its totient is φ = 30628830144.

The previous prime is 40050500579. The next prime is 40050500647. The reversal of 40050500645 is 54600505004.

It is a cyclic number.

It is not a de Polignac number, because 40050500645 - 2¹⁶ = 40050435109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40050500647) 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, 87602 + ... + 296268.

It is an arithmetic number, because the mean of its divisors is an integer number (3136280040).

Almost surely, 2^40050500645 is an apocalyptic number.

It is an amenable number.

40050500645 is a deficient number, since it is larger than the sum of its proper divisors (10129979995).

40050500645 is a wasteful number, since it uses less digits than its factorization.

40050500645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210364.

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 40050500645 in words is "forty billion, fifty million, five hundred thousand, six hundred forty-five".