40203022552 has 96 divisors (see below), whose sum is σ = 95847606720. Its totient is φ = 15632688960.

The previous prime is 40203022547. The next prime is 40203022603. The reversal of 40203022552 is 25522030204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2246263 + ... + 2264089.

It is an arithmetic number, because the mean of its divisors is an integer number (998412570).

Almost surely, 2^40203022552 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 40203022552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47923803360).

40203022552 is an abundant number, since it is smaller than the sum of its proper divisors (55644584168).

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

40203022552 is a wasteful number, since it uses less digits than its factorization.

40203022552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18381 (or 18370 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 40203022552 its reverse (25522030204), we get a palindrome (65725052756).

The spelling of 40203022552 in words is "forty billion, two hundred three million, twenty-two thousand, five hundred fifty-two".