1140009552 has 100 divisors (see below), whose sum is σ = 3599519616. Its totient is φ = 345453120.

The previous prime is 1140009529. The next prime is 1140009571. The reversal of 1140009552 is 2559000411.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25728 + ... + 54239.

Almost surely, 2^1140009552 is an apocalyptic number.

1140009552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1140009552 is an abundant number, since it is smaller than the sum of its proper divisors (2459510064).

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

1140009552 is a wasteful number, since it uses less digits than its factorization.

1140009552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79998 (or 79983 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1140009552 is about 33764.0274848840. The cubic root of 1140009552 is about 1044.6468444863.

Adding to 1140009552 its reverse (2559000411), we get a palindrome (3699009963).

The spelling of 1140009552 in words is "one billion, one hundred forty million, nine thousand, five hundred fifty-two".