824149029474 has 24 divisors (see below), whose sum is σ = 1787683116492. Its totient is φ = 274404514560.

The previous prime is 824149029469. The next prime is 824149029607. The reversal of 824149029474 is 474920941428.

824149029474 is a `hidden beast` number, since 8 + 2 + 4 + 149 + 0 + 29 + 474 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 789178159449 + 34970870025 = 888357^2 + 187005^2 .

It is a super-2 number, since 2×824149029474² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 824149029474.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25969419 + ... + 26001134.

Almost surely, 2^824149029474 is an apocalyptic number.

824149029474 is an abundant number, since it is smaller than the sum of its proper divisors (963534087018).

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

824149029474 is a wasteful number, since it uses less digits than its factorization.

824149029474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51971442 (or 51971439 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 824149029474 in words is "eight hundred twenty-four billion, one hundred forty-nine million, twenty-nine thousand, four hundred seventy-four".