1340046032 has 40 divisors (see below), whose sum is σ = 2831485440. Its totient is φ = 610646400.

The previous prime is 1340046031. The next prime is 1340046049. The reversal of 1340046032 is 2306400431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1340045989 and 1340046007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340046031) 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, 24344 + ... + 57207.

It is an arithmetic number, because the mean of its divisors is an integer number (70787136).

Almost surely, 2^1340046032 is an apocalyptic number.

It is an amenable number.

1340046032 is an abundant number, since it is smaller than the sum of its proper divisors (1491439408).

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

1340046032 is a wasteful number, since it uses less digits than its factorization.

1340046032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81651 (or 81645 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1340046032 is about 36606.6391792527. The cubic root of 1340046032 is about 1102.4863954526.

Adding to 1340046032 its reverse (2306400431), we get a palindrome (3646446463).

The spelling of 1340046032 in words is "one billion, three hundred forty million, forty-six thousand, thirty-two".