40140546602261 has 4 divisors (see below), whose sum is σ = 45874910402592. Its totient is φ = 34406182801932.

The previous prime is 40140546602257. The next prime is 40140546602309. The reversal of 40140546602261 is 16220664504104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40140546602261 - 2² = 40140546602257 is a prime.

It is a super-2 number, since 2×40140546602261² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40140546602251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2867181900155 + ... + 2867181900168.

It is an arithmetic number, because the mean of its divisors is an integer number (11468727600648).

Almost surely, 2^{40140546602261} is an apocalyptic number.

It is an amenable number.

40140546602261 is a deficient number, since it is larger than the sum of its proper divisors (5734363800331).

40140546602261 is an equidigital number, since it uses as much as digits as its factorization.

40140546602261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5734363800330.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 40140546602261 in words is "forty trillion, one hundred forty billion, five hundred forty-six million, six hundred two thousand, two hundred sixty-one".