1340527650 has 192 divisors, whose sum is σ = 4169733120. Its totient is φ = 276883200.

The previous prime is 1340527631. The next prime is 1340527679. The reversal of 1340527650 is 567250431.

1340527650 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3199141 + ... + 3199559.

It is an arithmetic number, because the mean of its divisors is an integer number (21717360).

Almost surely, 2^1340527650 is an apocalyptic number.

1340527650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340527650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2084866560).

1340527650 is an abundant number, since it is smaller than the sum of its proper divisors (2829205470).

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

1340527650 is a wasteful number, since it uses less digits than its factorization.

1340527650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 1340527650 is about 36613.2168758769. The cubic root of 1340527650 is about 1102.6184589989.

The spelling of 1340527650 in words is "one billion, three hundred forty million, five hundred twenty-seven thousand, six hundred fifty".