1552522513040 has 80 divisors (see below), whose sum is σ = 3707789821680. Its totient is φ = 604124282880.

The previous prime is 1552522512991. The next prime is 1552522513043. The reversal of 1552522513040 is 403152252551.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 417129972736 + 1135392540304 = 645856^2 + 1065548^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1552522513043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19143296 + ... + 19224224.

It is an arithmetic number, because the mean of its divisors is an integer number (46347372771).

Almost surely, 2^{1552522513040} is an apocalyptic number.

1552522513040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1552522513040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1853894910840).

1552522513040 is an abundant number, since it is smaller than the sum of its proper divisors (2155267308640).

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

1552522513040 is a wasteful number, since it uses less digits than its factorization.

1552522513040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87460 (or 87454 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 1552522513040 its reverse (403152252551), we get a palindrome (1955674765591).

The spelling of 1552522513040 in words is "one trillion, five hundred fifty-two billion, five hundred twenty-two million, five hundred thirteen thousand, forty".