361540650 has 24 divisors (see below), whose sum is σ = 896621184. Its totient is φ = 96410800.

The previous prime is 361540589. The next prime is 361540667. The reversal of 361540650 is 56045163.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1204986 + ... + 1205285.

It is an arithmetic number, because the mean of its divisors is an integer number (37359216).

Almost surely, 2^361540650 is an apocalyptic number.

361540650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

361540650 is an abundant number, since it is smaller than the sum of its proper divisors (535080534).

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

361540650 is a wasteful number, since it uses less digits than its factorization.

361540650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410286 (or 2410281 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 361540650 is about 19014.2223085773. Note that the first 3 decimals coincide. The cubic root of 361540650 is about 712.3920181079.

The spelling of 361540650 in words is "three hundred sixty-one million, five hundred forty thousand, six hundred fifty".