39457826946 has 80 divisors (see below), whose sum is σ = 93275144160. Its totient is φ = 12432657600.

The previous prime is 39457826923. The next prime is 39457826957. The reversal of 39457826946 is 64962875493.

39457826946 is a `hidden beast` number, since 3 + 9 + 457 + 82 + 69 + 46 = 666.

39457826946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1392621 + ... + 1420671.

It is an arithmetic number, because the mean of its divisors is an integer number (1165939302).

Almost surely, 2^39457826946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39457826946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46637572080).

39457826946 is an abundant number, since it is smaller than the sum of its proper divisors (53817317214).

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

39457826946 is a wasteful number, since it uses less digits than its factorization.

39457826946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28541 (or 28532 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 63.

The spelling of 39457826946 in words is "thirty-nine billion, four hundred fifty-seven million, eight hundred twenty-six thousand, nine hundred forty-six".