1252450044 has 36 divisors (see below), whose sum is σ = 3352147344. Its totient is φ = 392925312.

The previous prime is 1252450039. The next prime is 1252450093. The reversal of 1252450044 is 4400542521.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1252450044² = 3137262225431203872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1022632 + ... + 1023855.

It is an arithmetic number, because the mean of its divisors is an integer number (93115204).

Almost surely, 2^1252450044 is an apocalyptic number.

It is an amenable number.

1252450044 is an abundant number, since it is smaller than the sum of its proper divisors (2099697300).

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

1252450044 is a wasteful number, since it uses less digits than its factorization.

1252450044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046514 (or 2046509 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 1252450044 is about 35389.9709522345. The cubic root of 1252450044 is about 1077.9206803333.

Adding to 1252450044 its reverse (4400542521), we get a palindrome (5652992565).

The spelling of 1252450044 in words is "one billion, two hundred fifty-two million, four hundred fifty thousand, forty-four".