1308199950 has 48 divisors (see below), whose sum is σ = 3604821360. Its totient is φ = 348852960.

The previous prime is 1308199943. The next prime is 1308199967. The reversal of 1308199950 is 599918031.

It is a super-2 number, since 2×1308199950² = 3422774218360005000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 1308199896 and 1308199905.

It is a congruent number.

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, 483169 + ... + 485868.

It is an arithmetic number, because the mean of its divisors is an integer number (75100445).

Almost surely, 2^1308199950 is an apocalyptic number.

1308199950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1308199950 is an abundant number, since it is smaller than the sum of its proper divisors (2296621410).

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

1308199950 is a wasteful number, since it uses less digits than its factorization.

1308199950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969058 (or 969047 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The square root of 1308199950 is about 36169.0468494817. The cubic root of 1308199950 is about 1093.6827846585.

The spelling of 1308199950 in words is "one billion, three hundred eight million, one hundred ninety-nine thousand, nine hundred fifty".