40893361641 has 12 divisors (see below), whose sum is σ = 64438024560. Its totient is φ = 24783855480.

The previous prime is 40893361573. The next prime is 40893361693. The reversal of 40893361641 is 14616339804.

It is not a de Polignac number, because 40893361641 - 2²¹ = 40891264489 is a prime.

It is a super-2 number, since 2×40893361641² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40893361541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206532031 + ... + 206532228.

It is an arithmetic number, because the mean of its divisors is an integer number (5369835380).

Almost surely, 2^40893361641 is an apocalyptic number.

It is an amenable number.

40893361641 is a deficient number, since it is larger than the sum of its proper divisors (23544662919).

40893361641 is a wasteful number, since it uses less digits than its factorization.

40893361641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413064276 (or 413064273 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 40893361641 in words is "forty billion, eight hundred ninety-three million, three hundred sixty-one thousand, six hundred forty-one".