40007265240561 has 16 divisors (see below), whose sum is σ = 55665466091520. Its totient is φ = 25510419942480.

The previous prime is 40007265240541. The next prime is 40007265240577. The reversal of 40007265240561 is 16504256270004.

40007265240561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40007265240561 - 2⁵ = 40007265240529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40007265240541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15367801 + ... + 17781558.

It is an arithmetic number, because the mean of its divisors is an integer number (3479091630720).

Almost surely, 2^{40007265240561} is an apocalyptic number.

It is an amenable number.

40007265240561 is a deficient number, since it is larger than the sum of its proper divisors (15658200850959).

40007265240561 is a wasteful number, since it uses less digits than its factorization.

40007265240561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33166876.

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 40007265240561 in words is "forty trillion, seven billion, two hundred sixty-five million, two hundred forty thousand, five hundred sixty-one".