40202055552 has 128 divisors (see below), whose sum is σ = 107876603520. Its totient is φ = 13264640000.

The previous prime is 40202055529. The next prime is 40202055589. The reversal of 40202055552 is 25555020204.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16673227 + ... + 16675637.

It is an arithmetic number, because the mean of its divisors is an integer number (842785965).

Almost surely, 2^40202055552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40202055552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53938301760).

40202055552 is an abundant number, since it is smaller than the sum of its proper divisors (67674547968).

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

40202055552 is a wasteful number, since it uses less digits than its factorization.

40202055552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852 (or 2840 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

Adding to 40202055552 its reverse (25555020204), we get a palindrome (65757075756).

The spelling of 40202055552 in words is "forty billion, two hundred two million, fifty-five thousand, five hundred fifty-two".