1132470640 has 160 divisors (see below), whose sum is σ = 3255220224. Its totient is φ = 357519360.

The previous prime is 1132470631. The next prime is 1132470643. The reversal of 1132470640 is 460742311.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1132470599 and 1132470608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132470643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 446175 + ... + 448705.

Almost surely, 2^1132470640 is an apocalyptic number.

1132470640 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 1132470640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1627610112).

1132470640 is an abundant number, since it is smaller than the sum of its proper divisors (2122749584).

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

1132470640 is a wasteful number, since it uses less digits than its factorization.

1132470640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615 (or 2609 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1132470640 is about 33652.2011167175. The cubic root of 1132470640 is about 1042.3389910199.

The spelling of 1132470640 in words is "one billion, one hundred thirty-two million, four hundred seventy thousand, six hundred forty".