1349242650 has 192 divisors, whose sum is σ = 4314485760. Its totient is φ = 303652800.

The previous prime is 1349242633. The next prime is 1349242651. The reversal of 1349242650 is 562429431.

It is a happy number.

1349242650 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1349242651) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 632085 + ... + 634215.

It is an arithmetic number, because the mean of its divisors is an integer number (22471280).

Almost surely, 2^1349242650 is an apocalyptic number.

1349242650 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 1349242650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2157242880).

1349242650 is an abundant number, since it is smaller than the sum of its proper divisors (2965243110).

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

1349242650 is a wasteful number, since it uses less digits than its factorization.

1349242650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226 (or 2215 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1349242650 is about 36732.0384678008. The cubic root of 1349242650 is about 1105.0027367649.

The spelling of 1349242650 in words is "one billion, three hundred forty-nine million, two hundred forty-two thousand, six hundred fifty".