40845044477 has 32 divisors (see below), whose sum is σ = 47201253120. Its totient is φ = 35133626880.

The previous prime is 40845044419. The next prime is 40845044491. The reversal of 40845044477 is 77444054804.

It is a cyclic number.

It is not a de Polignac number, because 40845044477 - 2⁶ = 40845044413 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40845044377) 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, 632123 + ... + 693735.

It is an arithmetic number, because the mean of its divisors is an integer number (1475039160).

Almost surely, 2^40845044477 is an apocalyptic number.

It is an amenable number.

40845044477 is a deficient number, since it is larger than the sum of its proper divisors (6356208643).

40845044477 is a wasteful number, since it uses less digits than its factorization.

40845044477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61733.

The product of its (nonzero) digits is 2007040, while the sum is 47.

The spelling of 40845044477 in words is "forty billion, eight hundred forty-five million, forty-four thousand, four hundred seventy-seven".