40740061000121 has 32 divisors (see below), whose sum is σ = 49594244812800. Its totient is φ = 33419278468800.

The previous prime is 40740061000117. The next prime is 40740061000129. The reversal of 40740061000121 is 12100016004704.

It is not a de Polignac number, because 40740061000121 - 2² = 40740061000117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40740061000129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25538585 + ... + 27086886.

It is an arithmetic number, because the mean of its divisors is an integer number (1549820150400).

Almost surely, 2^{40740061000121} is an apocalyptic number.

It is an amenable number.

40740061000121 is a deficient number, since it is larger than the sum of its proper divisors (8854183812679).

40740061000121 is an equidigital number, since it uses as much as digits as its factorization.

40740061000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52625590 (or 52625576 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 40740061000121 its reverse (12100016004704), we get a palindrome (52840077004825).

The spelling of 40740061000121 in words is "forty trillion, seven hundred forty billion, sixty-one million, one hundred twenty-one", and thus it is an aban number.