40455531305 has 16 divisors (see below), whose sum is σ = 55562196864. Its totient is φ = 27700773120.

The previous prime is 40455531293. The next prime is 40455531331. The reversal of 40455531305 is 50313555404.

It is not a de Polignac number, because 40455531305 - 2⁶ = 40455531241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 812192 + ... + 860561.

It is an arithmetic number, because the mean of its divisors is an integer number (3472637304).

Almost surely, 2^40455531305 is an apocalyptic number.

It is an amenable number.

40455531305 is a deficient number, since it is larger than the sum of its proper divisors (15106665559).

40455531305 is a wasteful number, since it uses less digits than its factorization.

40455531305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673456.

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 40455531305 in words is "forty billion, four hundred fifty-five million, five hundred thirty-one thousand, three hundred five".