41256347816 has 8 divisors (see below), whose sum is σ = 77355652170. Its totient is φ = 20628173904.

The previous prime is 41256347809. The next prime is 41256347857. The reversal of 41256347816 is 61874365214.

It can be written as a sum of positive squares in only one way, i.e., 40598220100 + 658127716 = 201490^2 + 25654^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×41256347816² (a number of 22 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578521731 + ... + 2578521746.

Almost surely, 2^41256347816 is an apocalyptic number.

It is an amenable number.

41256347816 is a deficient number, since it is larger than the sum of its proper divisors (36099304354).

41256347816 is a wasteful number, since it uses less digits than its factorization.

41256347816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5157043483 (or 5157043479 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The spelling of 41256347816 in words is "forty-one billion, two hundred fifty-six million, three hundred forty-seven thousand, eight hundred sixteen".