40143164336643 has 32 divisors (see below), whose sum is σ = 57005848535040. Its totient is φ = 25088510977920.

The previous prime is 40143164336623. The next prime is 40143164336647. The reversal of 40143164336643 is 34663346134104.

It is not a de Polignac number, because 40143164336643 - 2⁶ = 40143164336579 is a prime.

It is a super-2 number, since 2×40143164336643² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40143164336592 and 40143164336601.

It is not an unprimeable number, because it can be changed into a prime (40143164336647) 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, 51156696 + ... + 51935477.

It is an arithmetic number, because the mean of its divisors is an integer number (1781432766720).

Almost surely, 2^{40143164336643} is an apocalyptic number.

40143164336643 is a deficient number, since it is larger than the sum of its proper divisors (16862684198397).

40143164336643 is a wasteful number, since it uses less digits than its factorization.

40143164336643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103092339.

The product of its (nonzero) digits is 4478976, while the sum is 48.

The spelling of 40143164336643 in words is "forty trillion, one hundred forty-three billion, one hundred sixty-four million, three hundred thirty-six thousand, six hundred forty-three".