40477803085 has 4 divisors (see below), whose sum is σ = 48573363708. Its totient is φ = 32382242464.

The previous prime is 40477803031. The next prime is 40477803089. The reversal of 40477803085 is 58030877404.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7759143396 + 32718659689 = 88086^2 + 180883^2 .

It is a cyclic number.

It is not a de Polignac number, because 40477803085 - 2²⁹ = 39940932173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40477803089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4047780304 + ... + 4047780313.

It is an arithmetic number, because the mean of its divisors is an integer number (12143340927).

Almost surely, 2^40477803085 is an apocalyptic number.

It is an amenable number.

40477803085 is a deficient number, since it is larger than the sum of its proper divisors (8095560623).

40477803085 is an equidigital number, since it uses as much as digits as its factorization.

40477803085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8095560622.

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 40477803085 in words is "forty billion, four hundred seventy-seven million, eight hundred three thousand, eighty-five".