1340780616 has 96 divisors (see below), whose sum is σ = 4394183040. Its totient is φ = 360543744.

The previous prime is 1340780579. The next prime is 1340780627. The reversal of 1340780616 is 6160870431.

1340780616 is a `hidden beast` number, since 1 + 34 + 0 + 7 + 8 + 0 + 616 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69676 + ... + 86811.

It is an arithmetic number, because the mean of its divisors is an integer number (45772740).

Almost surely, 2^1340780616 is an apocalyptic number.

It is an amenable number.

1340780616 is an abundant number, since it is smaller than the sum of its proper divisors (3053402424).

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

1340780616 is a wasteful number, since it uses less digits than its factorization.

1340780616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156523 (or 156516 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1340780616 is about 36616.6712850854. The cubic root of 1340780616 is about 1102.6878116497.

The spelling of 1340780616 in words is "one billion, three hundred forty million, seven hundred eighty thousand, six hundred sixteen".