1340045004 has 24 divisors (see below), whose sum is σ = 3185768880. Its totient is φ = 438253504.

The previous prime is 1340044997. The next prime is 1340045017. The reversal of 1340045004 is 4005400431.

It is a super-2 number, since 2×1340045004² = 3591441225490720032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1052859 + ... + 1054130.

It is an arithmetic number, because the mean of its divisors is an integer number (132740370).

Almost surely, 2^1340045004 is an apocalyptic number.

It is an amenable number.

1340045004 is an abundant number, since it is smaller than the sum of its proper divisors (1845723876).

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

1340045004 is a wasteful number, since it uses less digits than its factorization.

1340045004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107049 (or 2107047 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1340045004 is about 36606.6251380812. The cubic root of 1340045004 is about 1102.4861135329.

Adding to 1340045004 its reverse (4005400431), we get a palindrome (5345445435).

The spelling of 1340045004 in words is "one billion, three hundred forty million, forty-five thousand, four".