1132423040 has 128 divisors (see below), whose sum is σ = 3276158400. Its totient is φ = 365395968.

The previous prime is 1132423031. The next prime is 1132423067. The reversal of 1132423040 is 403242311.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68726 + ... + 83594.

Almost surely, 2^1132423040 is an apocalyptic number.

1132423040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1132423040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1638079200).

1132423040 is an abundant number, since it is smaller than the sum of its proper divisors (2143735360).

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

1132423040 is a wasteful number, since it uses less digits than its factorization.

1132423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14912 (or 14900 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1132423040 is about 33651.4938747153. The cubic root of 1132423040 is about 1042.3243869529.

Adding to 1132423040 its reverse (403242311), we get a palindrome (1535665351).

It can be divided in two parts, 113242 and 3040, that multiplied together give a triangular number (344255680 = T₂₆₂₃₉).

The spelling of 1132423040 in words is "one billion, one hundred thirty-two million, four hundred twenty-three thousand, forty".