1382155650 has 60 divisors (see below), whose sum is σ = 3840356322. Its totient is φ = 368573760.

The previous prime is 1382155613. The next prime is 1382155657. The reversal of 1382155650 is 565512831.

It is a happy number.

1382155650 is a `hidden beast` number, since 1 + 3 + 82 + 15 + 565 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 907395129 + 474760521 = 30123^2 + 21789^2 .

It is not an unprimeable number, because it can be changed into a prime (1382155657) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 166587 + ... + 174686.

Almost surely, 2^1382155650 is an apocalyptic number.

1382155650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1382155650 is an abundant number, since it is smaller than the sum of its proper divisors (2458200672).

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

1382155650 is a wasteful number, since it uses less digits than its factorization.

1382155650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341297 (or 341283 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 1382155650 is about 37177.3539940647. The cubic root of 1382155650 is about 1113.9156812324.

The spelling of 1382155650 in words is "one billion, three hundred eighty-two million, one hundred fifty-five thousand, six hundred fifty".