40873161526465 has 16 divisors (see below), whose sum is σ = 49259085095376. Its totient is φ = 32557672857600.

The previous prime is 40873161526441. The next prime is 40873161526567. The reversal of 40873161526465 is 56462516137804.

It can be written as a sum of positive squares in 8 ways, for example, as 2497812719809 + 38375348806656 = 1580447^2 + 6194784^2 .

It is not a de Polignac number, because 40873161526465 - 2⁹ = 40873161525953 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83567425 + ... + 84055105.

It is an arithmetic number, because the mean of its divisors is an integer number (3078692818461).

Almost surely, 2^{40873161526465} is an apocalyptic number.

It is an amenable number.

40873161526465 is a deficient number, since it is larger than the sum of its proper divisors (8385923568911).

40873161526465 is a wasteful number, since it uses less digits than its factorization.

40873161526465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559860.

The product of its (nonzero) digits is 29030400, while the sum is 58.

The spelling of 40873161526465 in words is "forty trillion, eight hundred seventy-three billion, one hundred sixty-one million, five hundred twenty-six thousand, four hundred sixty-five".