552400531040 has 96 divisors (see below), whose sum is σ = 1382483985120. Its totient is φ = 207997231104.

The previous prime is 552400531013. The next prime is 552400531069. The reversal of 552400531040 is 40135004255.

It is a junction number, because it is equal to n+sod(n) for n = 552400530994 and 552400531012.

It is a congruent number.

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, 101417 + ... + 1055976.

It is an arithmetic number, because the mean of its divisors is an integer number (14400874845).

Almost surely, 2^552400531040 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 552400531040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691241992560).

552400531040 is an abundant number, since it is smaller than the sum of its proper divisors (830083454080).

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

552400531040 is a wasteful number, since it uses less digits than its factorization.

552400531040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157584 (or 1157576 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 552400531040 its reverse (40135004255), we get a palindrome (592535535295).

The spelling of 552400531040 in words is "five hundred fifty-two billion, four hundred million, five hundred thirty-one thousand, forty".