552245345040 has 80 divisors (see below), whose sum is σ = 1724456734848. Its totient is φ = 146190486528.

The previous prime is 552245345009. The next prime is 552245345077. The reversal of 552245345040 is 40543542255.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×552245345040² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 552245345040.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8365012 + ... + 8430771.

Almost surely, 2^552245345040 is an apocalyptic number.

It is an amenable number.

552245345040 is an abundant number, since it is smaller than the sum of its proper divisors (1172211389808).

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

552245345040 is a wasteful number, since it uses less digits than its factorization.

552245345040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16795936 (or 16795930 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 39.

Adding to 552245345040 its reverse (40543542255), we get a palindrome (592788887295).

The spelling of 552245345040 in words is "five hundred fifty-two billion, two hundred forty-five million, three hundred forty-five thousand, forty".