561672283950 has 36 divisors (see below), whose sum is σ = 1509026204088. Its totient is φ = 149779275600.

The previous prime is 561672283883. The next prime is 561672283967. The reversal of 561672283950 is 59382276165.

561672283950 is a `hidden beast` number, since 561 + 6 + 7 + 2 + 28 + 3 + 9 + 50 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 624079866 + ... + 624080765.

It is an arithmetic number, because the mean of its divisors is an integer number (41917394558).

Almost surely, 2^561672283950 is an apocalyptic number.

561672283950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

561672283950 is an abundant number, since it is smaller than the sum of its proper divisors (947353920138).

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

561672283950 is a wasteful number, since it uses less digits than its factorization.

561672283950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248160649 (or 1248160641 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 561672283950 in words is "five hundred sixty-one billion, six hundred seventy-two million, two hundred eighty-three thousand, nine hundred fifty".