40407515545 has 16 divisors (see below), whose sum is σ = 50174521920. Its totient is φ = 31202942400.

The previous prime is 40407515539. The next prime is 40407515563. The reversal of 40407515545 is 54551570404.

It is not a de Polignac number, because 40407515545 - 2²¹ = 40405418393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40407515498 and 40407515507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534550 + ... + 605440.

It is an arithmetic number, because the mean of its divisors is an integer number (3135907620).

Almost surely, 2^40407515545 is an apocalyptic number.

It is an amenable number.

40407515545 is a deficient number, since it is larger than the sum of its proper divisors (9767006375).

40407515545 is a wasteful number, since it uses less digits than its factorization.

40407515545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74856.

The product of its (nonzero) digits is 280000, while the sum is 40.

The spelling of 40407515545 in words is "forty billion, four hundred seven million, five hundred fifteen thousand, five hundred forty-five".