1552205040 has 80 divisors (see below), whose sum is σ = 4893436800. Its totient is φ = 406902016.

The previous prime is 1552205029. The next prime is 1552205063. The reversal of 1552205040 is 405022551.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1552205040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40650 + ... + 68969.

It is an arithmetic number, because the mean of its divisors is an integer number (61167960).

Almost surely, 2^1552205040 is an apocalyptic number.

1552205040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1552205040 is an abundant number, since it is smaller than the sum of its proper divisors (3341231760).

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

1552205040 is a wasteful number, since it uses less digits than its factorization.

1552205040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109694 (or 109688 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 1552205040 is about 39398.0334534606. The cubic root of 1552205040 is about 1157.8430587839.

Adding to 1552205040 its reverse (405022551), we get a palindrome (1957227591).

The spelling of 1552205040 in words is "one billion, five hundred fifty-two million, two hundred five thousand, forty".