40557376305 has 24 divisors (see below), whose sum is σ = 70981979328. Its totient is φ = 21420592416.

The previous prime is 40557376303. The next prime is 40557376319. The reversal of 40557376305 is 50367375504.

40557376305 is a `hidden beast` number, since 4 + 0 + 5 + 5 + 7 + 3 + 7 + 630 + 5 = 666.

It is not a de Polignac number, because 40557376305 - 2¹ = 40557376303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (40557376303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4370487 + ... + 4379756.

It is an arithmetic number, because the mean of its divisors is an integer number (2957582472).

Almost surely, 2^40557376305 is an apocalyptic number.

40557376305 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40557376305 is a deficient number, since it is larger than the sum of its proper divisors (30424603023).

40557376305 is a wasteful number, since it uses less digits than its factorization.

40557376305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8750357 (or 8750354 counting only the distinct ones).

The product of its (nonzero) digits is 1323000, while the sum is 45.

The spelling of 40557376305 in words is "forty billion, five hundred fifty-seven million, three hundred seventy-six thousand, three hundred five".