1552164400 has 30 divisors (see below), whose sum is σ = 3729075932. Its totient is φ = 620865600.

The previous prime is 1552164391. The next prime is 1552164401. The reversal of 1552164400 is 44612551.

It is not an unprimeable number, because it can be changed into a prime (1552164401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1939806 + ... + 1940605.

Almost surely, 2^1552164400 is an apocalyptic number.

1552164400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1552164400 is an abundant number, since it is smaller than the sum of its proper divisors (2176911532).

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

1552164400 is a wasteful number, since it uses less digits than its factorization.

1552164400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880429 (or 3880418 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1552164400 is about 39397.5176883011. The cubic root of 1552164400 is about 1157.8329537717.

Adding to 1552164400 its reverse (44612551), we get a palindrome (1596776951).

The spelling of 1552164400 in words is "one billion, five hundred fifty-two million, one hundred sixty-four thousand, four hundred".