40761867810863 has 4 divisors (see below), whose sum is σ = 40761895421520. Its totient is φ = 40761840200208.

The previous prime is 40761867810793. The next prime is 40761867810869. The reversal of 40761867810863 is 36801876816704.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40761867810863 - 2¹² = 40761867806767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40761867810863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40761867810869) 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, 11457803 + ... + 14587836.

It is an arithmetic number, because the mean of its divisors is an integer number (10190473855380).

Almost surely, 2^{40761867810863} is an apocalyptic number.

40761867810863 is a deficient number, since it is larger than the sum of its proper divisors (27610657).

40761867810863 is a wasteful number, since it uses less digits than its factorization.

40761867810863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27610656.

The product of its (nonzero) digits is 65028096, while the sum is 65.

The spelling of 40761867810863 in words is "forty trillion, seven hundred sixty-one billion, eight hundred sixty-seven million, eight hundred ten thousand, eight hundred sixty-three".