3905042562 has 72 divisors (see below), whose sum is σ = 9321124176. Its totient is φ = 1225067328.

The previous prime is 3905042543. The next prime is 3905042573. The reversal of 3905042562 is 2652405093.

3905042562 is a `hidden beast` number, since 3 + 9 + 0 + 50 + 42 + 562 = 666.

It is a super-2 number, since 2×3905042562² = 30498714822063047688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 126553 + ... + 154355.

It is an arithmetic number, because the mean of its divisors is an integer number (129460058).

Almost surely, 2^3905042562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3905042562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4660562088).

3905042562 is an abundant number, since it is smaller than the sum of its proper divisors (5416081614).

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

3905042562 is a wasteful number, since it uses less digits than its factorization.

3905042562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27854 (or 27825 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 3905042562 is about 62490.3397494365. The cubic root of 3905042562 is about 1574.7390261474.

The spelling of 3905042562 in words is "three billion, nine hundred five million, forty-two thousand, five hundred sixty-two".