40254205455 has 24 divisors (see below), whose sum is σ = 69796555920. Its totient is φ = 21461955840.

The previous prime is 40254205423. The next prime is 40254205457. The reversal of 40254205455 is 55450245204.

40254205455 is a `hidden beast` number, since 40 + 2 + 54 + 20 + 545 + 5 = 666.

It is not a de Polignac number, because 40254205455 - 2⁵ = 40254205423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40254205457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2865 + ... + 283754.

It is an arithmetic number, because the mean of its divisors is an integer number (2908189830).

Almost surely, 2^40254205455 is an apocalyptic number.

40254205455 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40254205455 is a deficient number, since it is larger than the sum of its proper divisors (29542350465).

40254205455 is a wasteful number, since it uses less digits than its factorization.

40254205455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289751 (or 289748 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The spelling of 40254205455 in words is "forty billion, two hundred fifty-four million, two hundred five thousand, four hundred fifty-five".