1340828770 has 16 divisors (see below), whose sum is σ = 2436049728. Its totient is φ = 531318640.

The previous prime is 1340828761. The next prime is 1340828773. The reversal of 1340828770 is 778280431.

It is not an unprimeable number, because it can be changed into a prime (1340828773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625486 + ... + 627625.

It is an arithmetic number, because the mean of its divisors is an integer number (152253108).

Almost surely, 2^1340828770 is an apocalyptic number.

1340828770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340828770 is a deficient number, since it is larger than the sum of its proper divisors (1095220958).

1340828770 is a wasteful number, since it uses less digits than its factorization.

1340828770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253225.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 1340828770 is about 36617.3288212016. The cubic root of 1340828770 is about 1102.7010124654.

The spelling of 1340828770 in words is "one billion, three hundred forty million, eight hundred twenty-eight thousand, seven hundred seventy".