40545671522 has 4 divisors (see below), whose sum is σ = 60818507286. Its totient is φ = 20272835760.

The previous prime is 40545671521. The next prime is 40545671597. The reversal of 40545671522 is 22517654504.

40545671522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25068072241 + 15477599281 = 158329^2 + 124409^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40545671522.

It is not an unprimeable number, because it can be changed into a prime (40545671521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10136417879 + ... + 10136417882.

Almost surely, 2^40545671522 is an apocalyptic number.

40545671522 is a deficient number, since it is larger than the sum of its proper divisors (20272835764).

40545671522 is a wasteful number, since it uses less digits than its factorization.

40545671522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20272835763.

The product of its (nonzero) digits is 336000, while the sum is 41.

The spelling of 40545671522 in words is "forty billion, five hundred forty-five million, six hundred seventy-one thousand, five hundred twenty-two".