1144626552 has 40 divisors (see below), whose sum is σ = 3206016000. Its totient is φ = 381541968.

The previous prime is 1144626551. The next prime is 1144626559. The reversal of 1144626552 is 2556264411.

1144626552 is a `hidden beast` number, since 1 + 1 + 44 + 62 + 6 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144626551) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 882552 + ... + 883847.

It is an arithmetic number, because the mean of its divisors is an integer number (80150400).

Almost surely, 2^1144626552 is an apocalyptic number.

1144626552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1144626552 is an abundant number, since it is smaller than the sum of its proper divisors (2061389448).

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

1144626552 is a wasteful number, since it uses less digits than its factorization.

1144626552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766417 (or 1766404 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 1144626552 is about 33832.3299818384. The cubic root of 1144626552 is about 1046.0552063450.

The spelling of 1144626552 in words is "one billion, one hundred forty-four million, six hundred twenty-six thousand, five hundred fifty-two".