40161108672554 has 8 divisors (see below), whose sum is σ = 60248592939780. Its totient is φ = 20078244359296.

The previous prime is 40161108672541. The next prime is 40161108672589. The reversal of 40161108672554 is 45527680116104.

It can be written as a sum of positive squares in 2 ways, for example, as 30107421402529 + 10053687270025 = 5487023^2 + 3170755^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40161108672554² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1154966759 + ... + 1155001530.

Almost surely, 2^{40161108672554} is an apocalyptic number.

40161108672554 is a deficient number, since it is larger than the sum of its proper divisors (20087484267226).

40161108672554 is a wasteful number, since it uses less digits than its factorization.

40161108672554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309976984.

The product of its (nonzero) digits is 1612800, while the sum is 50.

Adding to 40161108672554 its reverse (45527680116104), we get a palindrome (85688788788658).

The spelling of 40161108672554 in words is "forty trillion, one hundred sixty-one billion, one hundred eight million, six hundred seventy-two thousand, five hundred fifty-four".