40143587037061 has 4 divisors (see below), whose sum is σ = 40143609868672. Its totient is φ = 40143564205452.

The previous prime is 40143587037017. The next prime is 40143587037091. The reversal of 40143587037061 is 16073078534104.

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 40143587037061 - 2¹³ = 40143587028869 is a prime.

It is a super-2 number, since 2×40143587037061² (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 = 40143587036996 and 40143587037014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40143587037091) 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, 8536335 + ... + 12375628.

It is an arithmetic number, because the mean of its divisors is an integer number (10035902467168).

Almost surely, 2^{40143587037061} is an apocalyptic number.

It is an amenable number.

40143587037061 is a deficient number, since it is larger than the sum of its proper divisors (22831611).

40143587037061 is a wasteful number, since it uses less digits than its factorization.

40143587037061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22831610.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 40143587037061 in words is "forty trillion, one hundred forty-three billion, five hundred eighty-seven million, thirty-seven thousand, sixty-one".