40553052520 has 16 divisors (see below), whose sum is σ = 91244368260. Its totient is φ = 16221220992.

The previous prime is 40553052511. The next prime is 40553052521. The reversal of 40553052520 is 2525035504.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38183504836 + 2369547684 = 195406^2 + 48678^2 .

It is not an unprimeable number, because it can be changed into a prime (40553052521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506913117 + ... + 506913196.

Almost surely, 2^40553052520 is an apocalyptic number.

40553052520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40553052520 is an abundant number, since it is smaller than the sum of its proper divisors (50691315740).

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

40553052520 is a wasteful number, since it uses less digits than its factorization.

40553052520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013826324 (or 1013826320 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 31.

The spelling of 40553052520 in words is "forty billion, five hundred fifty-three million, fifty-two thousand, five hundred twenty".