40520550100 has 36 divisors (see below), whose sum is σ = 90074227068. Its totient is φ = 15812896000.

The previous prime is 40520550079. The next prime is 40520550131. The reversal of 40520550100 is 105502504.

It can be written as a sum of positive squares in 6 ways, for example, as 8700412176 + 31820137924 = 93276^2 + 178382^2 .

It is a super-2 number, since 2×40520550100² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4937431 + ... + 4945630.

It is an arithmetic number, because the mean of its divisors is an integer number (2502061863).

Almost surely, 2^40520550100 is an apocalyptic number.

It is an amenable number.

40520550100 is an abundant number, since it is smaller than the sum of its proper divisors (49553676968).

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

40520550100 is a wasteful number, since it uses less digits than its factorization.

40520550100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9883116 (or 9883109 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The spelling of 40520550100 in words is "forty billion, five hundred twenty million, five hundred fifty thousand, one hundred".