40161173825500 has 96 divisors (see below), whose sum is σ = 107953235365248. Its totient is φ = 12710349504000.

The previous prime is 40161173825459. The next prime is 40161173825527. The reversal of 40161173825500 is 552837116104.

It is a super-2 number, since 2×40161173825500² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 441286081 + ... + 441377080.

It is an arithmetic number, because the mean of its divisors is an integer number (1124512868388).

Almost surely, 2^{40161173825500} is an apocalyptic number.

It is an amenable number.

40161173825500 is an abundant number, since it is smaller than the sum of its proper divisors (67792061539748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40161173825500 is a wasteful number, since it uses less digits than its factorization.

40161173825500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882663200 (or 882663188 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 40161173825500 in words is "forty trillion, one hundred sixty-one billion, one hundred seventy-three million, eight hundred twenty-five thousand, five hundred".