40478750253 has 12 divisors (see below), whose sum is σ = 59292818208. Its totient is φ = 26605750920.

The previous prime is 40478750251. The next prime is 40478750293. The reversal of 40478750253 is 35205787404.

It is not a de Polignac number, because 40478750253 - 2¹ = 40478750251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40478750199 and 40478750208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40478750251) 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 11 ways as a sum of consecutive naturals, for example, 31672875 + ... + 31674152.

It is an arithmetic number, because the mean of its divisors is an integer number (4941068184).

Almost surely, 2^40478750253 is an apocalyptic number.

It is an amenable number.

40478750253 is a deficient number, since it is larger than the sum of its proper divisors (18814067955).

40478750253 is a wasteful number, since it uses less digits than its factorization.

40478750253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63347104 (or 63347101 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 45.

The spelling of 40478750253 in words is "forty billion, four hundred seventy-eight million, seven hundred fifty thousand, two hundred fifty-three".