1340465004 has 96 divisors (see below), whose sum is σ = 3571276800. Its totient is φ = 434600640.

The previous prime is 1340464981. The next prime is 1340465039. The reversal of 1340465004 is 4005640431.

1340465004 is a `hidden beast` number, since 1 + 3 + 4 + 0 + 4 + 650 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 918027 + ... + 919485.

It is an arithmetic number, because the mean of its divisors is an integer number (37200800).

Almost surely, 2^1340465004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340465004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1785638400).

1340465004 is an abundant number, since it is smaller than the sum of its proper divisors (2230811796).

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

1340465004 is a wasteful number, since it uses less digits than its factorization.

1340465004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700 (or 1692 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1340465004 is about 36612.3613551489. The cubic root of 1340465004 is about 1102.6012827495.

The spelling of 1340465004 in words is "one billion, three hundred forty million, four hundred sixty-five thousand, four".