1340624532 has 24 divisors (see below), whose sum is σ = 3368749216. Its totient is φ = 412499808.

The previous prime is 1340624531. The next prime is 1340624563. The reversal of 1340624532 is 2354260431.

1340624532 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1340624532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340624531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4296718 + ... + 4297029.

Almost surely, 2^1340624532 is an apocalyptic number.

1340624532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1340624532 is an abundant number, since it is smaller than the sum of its proper divisors (2028124684).

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

1340624532 is a wasteful number, since it uses less digits than its factorization.

1340624532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8593767 (or 8593765 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 1340624532 is about 36614.5398987888. The cubic root of 1340624532 is about 1102.6450210044.

Adding to 1340624532 its reverse (2354260431), we get a palindrome (3694884963).

The spelling of 1340624532 in words is "one billion, three hundred forty million, six hundred twenty-four thousand, five hundred thirty-two".