40143057572761 has 16 divisors (see below), whose sum is σ = 47807116761600. Its totient is φ = 33225023214720.

The previous prime is 40143057572747. The next prime is 40143057572837. The reversal of 40143057572761 is 16727575034104.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40143057572761 - 2³¹ = 40140910089113 is a prime.

It is a super-2 number, since 2×40143057572761² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40143057572699 and 40143057572708.

It is not an unprimeable number, because it can be changed into a prime (40143057578761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1922733961 + ... + 1922754838.

It is an arithmetic number, because the mean of its divisors is an integer number (2987944797600).

Almost surely, 2^{40143057572761} is an apocalyptic number.

It is an amenable number.

40143057572761 is a deficient number, since it is larger than the sum of its proper divisors (7664059188839).

40143057572761 is a wasteful number, since it uses less digits than its factorization.

40143057572761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845488896.

The product of its (nonzero) digits is 4939200, while the sum is 52.

The spelling of 40143057572761 in words is "forty trillion, one hundred forty-three billion, fifty-seven million, five hundred seventy-two thousand, seven hundred sixty-one".