1340626624 has 112 divisors (see below), whose sum is σ = 2918764800. Its totient is φ = 608726016.

The previous prime is 1340626601. The next prime is 1340626633. The reversal of 1340626624 is 4266260431.

It is a self number, because there is not a number n which added to its sum of digits gives 1340626624.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3734157 + ... + 3734515.

It is an arithmetic number, because the mean of its divisors is an integer number (26060400).

Almost surely, 2^1340626624 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 1340626624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1459382400).

1340626624 is an abundant number, since it is smaller than the sum of its proper divisors (1578138176).

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

1340626624 is a wasteful number, since it uses less digits than its factorization.

1340626624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 1340626624 is about 36614.5684666636. The cubic root of 1340626624 is about 1102.6455945510.

The spelling of 1340626624 in words is "one billion, three hundred forty million, six hundred twenty-six thousand, six hundred twenty-four".