40554405415 has 4 divisors (see below), whose sum is σ = 48665286504. Its totient is φ = 32443524328.

The previous prime is 40554405413. The next prime is 40554405421. The reversal of 40554405415 is 51450445504.

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

It is a cyclic number.

It is not a de Polignac number, because 40554405415 - 2¹ = 40554405413 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 (40554405413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4055440537 + ... + 4055440546.

It is an arithmetic number, because the mean of its divisors is an integer number (12166321626).

Almost surely, 2^40554405415 is an apocalyptic number.

40554405415 is a deficient number, since it is larger than the sum of its proper divisors (8110881089).

40554405415 is an equidigital number, since it uses as much as digits as its factorization.

40554405415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8110881088.

The product of its (nonzero) digits is 160000, while the sum is 37.

The spelling of 40554405415 in words is "forty billion, five hundred fifty-four million, four hundred five thousand, four hundred fifteen".