39849249474 has 48 divisors (see below), whose sum is σ = 88909277184. Its totient is φ = 12891211200.

The previous prime is 39849249469. The next prime is 39849249493. The reversal of 39849249474 is 47494294893.

39849249474 is a `hidden beast` number, since 39 + 8 + 4 + 92 + 49 + 474 = 666.

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, 394 + ... + 282309.

It is an arithmetic number, because the mean of its divisors is an integer number (1852276608).

Almost surely, 2^39849249474 is an apocalyptic number.

39849249474 is an abundant number, since it is smaller than the sum of its proper divisors (49060027710).

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

39849249474 is a wasteful number, since it uses less digits than its factorization.

39849249474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282943 (or 282940 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 63.

The spelling of 39849249474 in words is "thirty-nine billion, eight hundred forty-nine million, two hundred forty-nine thousand, four hundred seventy-four".