3420057156 has 24 divisors (see below), whose sum is σ = 7985231520. Its totient is φ = 1139290752.

The previous prime is 3420057103. The next prime is 3420057163. The reversal of 3420057156 is 6517500243.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71301 + ... + 109196.

It is an arithmetic number, because the mean of its divisors is an integer number (332717980).

Almost surely, 2^3420057156 is an apocalyptic number.

It is an amenable number.

3420057156 is an abundant number, since it is smaller than the sum of its proper divisors (4565174364).

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

3420057156 is a wasteful number, since it uses less digits than its factorization.

3420057156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182083 (or 182081 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 3420057156 is about 58481.2547403012. The cubic root of 3420057156 is about 1506.6456476519.

Adding to 3420057156 its reverse (6517500243), we get a palindrome (9937557399).

The spelling of 3420057156 in words is "three billion, four hundred twenty million, fifty-seven thousand, one hundred fifty-six".