1340425004 has 24 divisors (see below), whose sum is σ = 2455605600. Its totient is φ = 639010944.

The previous prime is 1340424991. The next prime is 1340425039. The reversal of 1340425004 is 4005240431.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 5522 + ... + 52070.

It is an arithmetic number, because the mean of its divisors is an integer number (102316900).

Almost surely, 2^1340425004 is an apocalyptic number.

It is an amenable number.

1340425004 is a deficient number, since it is larger than the sum of its proper divisors (1115180596).

1340425004 is a wasteful number, since it uses less digits than its factorization.

1340425004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46889 (or 46887 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1340425004 is about 36611.8150874823. The cubic root of 1340425004 is about 1102.5903152892.

Adding to 1340425004 its reverse (4005240431), we get a palindrome (5345665435).

The spelling of 1340425004 in words is "one billion, three hundred forty million, four hundred twenty-five thousand, four".