40941561600 has 162 divisors, whose sum is σ = 146375528936. Its totient is φ = 10917734400.

The previous prime is 40941561599. The next prime is 40941561611. The reversal of 40941561600 is 616514904.

40941561600 is a `hidden beast` number, since 4 + 0 + 9 + 41 + 5 + 6 + 1 + 600 = 666.

It is a super-2 number, since 2×40941561600² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 297796 + ... + 412995.

Almost surely, 2^40941561600 is an apocalyptic number.

40941561600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40941561600 is an abundant number, since it is smaller than the sum of its proper divisors (105433967336).

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

40941561600 is a wasteful number, since it uses less digits than its factorization.

40941561600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710823 (or 710801 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 40941561600 in words is "forty billion, nine hundred forty-one million, five hundred sixty-one thousand, six hundred".