40478020624485 has 80 divisors (see below), whose sum is σ = 75849904082304. Its totient is φ = 20612976329088.

The previous prime is 40478020624463. The next prime is 40478020624513. The reversal of 40478020624485 is 58442602087404.

It is a happy number.

40478020624485 is a `hidden beast` number, since 4 + 0 + 4 + 7 + 8 + 0 + 2 + 0 + 624 + 4 + 8 + 5 = 666.

It is not a de Polignac number, because 40478020624485 - 2¹⁸ = 40478020362341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1385139 + ... + 9103551.

Almost surely, 2^{40478020624485} is an apocalyptic number.

40478020624485 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40478020624485 is a deficient number, since it is larger than the sum of its proper divisors (35371883457819).

40478020624485 is a wasteful number, since it uses less digits than its factorization.

40478020624485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7719016 (or 7719007 counting only the distinct ones).

The product of its (nonzero) digits is 13762560, while the sum is 54.

The spelling of 40478020624485 in words is "forty trillion, four hundred seventy-eight billion, twenty million, six hundred twenty-four thousand, four hundred eighty-five".