40009535415 has 64 divisors (see below), whose sum is σ = 74141368320. Its totient is φ = 20451657600.

The previous prime is 40009535383. The next prime is 40009535429. The reversal of 40009535415 is 51453590004.

It is not a de Polignac number, because 40009535415 - 2⁵ = 40009535383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40009535415.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 274890 + ... + 394440.

It is an arithmetic number, because the mean of its divisors is an integer number (1158458880).

Almost surely, 2^40009535415 is an apocalyptic number.

40009535415 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40009535415 is a deficient number, since it is larger than the sum of its proper divisors (34131832905).

40009535415 is a wasteful number, since it uses less digits than its factorization.

40009535415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119669 (or 119663 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 40009535415 in words is "forty billion, nine million, five hundred thirty-five thousand, four hundred fifteen".