40001545265 has 32 divisors (see below), whose sum is σ = 54092295936. Its totient is φ = 28141896960.

The previous prime is 40001545249. The next prime is 40001545289. The reversal of 40001545265 is 56254510004.

It is not a de Polignac number, because 40001545265 - 2⁴ = 40001545249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 295244 + ... + 408866.

It is an arithmetic number, because the mean of its divisors is an integer number (1690384248).

Almost surely, 2^40001545265 is an apocalyptic number.

It is an amenable number.

40001545265 is a deficient number, since it is larger than the sum of its proper divisors (14090750671).

40001545265 is a wasteful number, since it uses less digits than its factorization.

40001545265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113849.

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 40001545265 in words is "forty billion, one million, five hundred forty-five thousand, two hundred sixty-five".