3252156642 has 80 divisors (see below), whose sum is σ = 8361429120. Its totient is φ = 925489152.

The previous prime is 3252156637. The next prime is 3252156647. The reversal of 3252156642 is 2466512523.

3252156642 is a `hidden beast` number, since 3 + 2 + 5 + 2 + 1 + 5 + 6 + 642 = 666.

It is an interprime number because it is at equal distance from previous prime (3252156637) and next prime (3252156647).

It is a junction number, because it is equal to n+sod(n) for n = 3252156597 and 3252156606.

It is not an unprimeable number, because it can be changed into a prime (3252156647) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 285859 + ... + 297017.

It is an arithmetic number, because the mean of its divisors is an integer number (104517864).

Almost surely, 2^3252156642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3252156642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4180714560).

3252156642 is an abundant number, since it is smaller than the sum of its proper divisors (5109272478).

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

3252156642 is a wasteful number, since it uses less digits than its factorization.

3252156642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11437 (or 11428 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 3252156642 is about 57027.6831196920. The cubic root of 3252156642 is about 1481.5756050113.

The spelling of 3252156642 in words is "three billion, two hundred fifty-two million, one hundred fifty-six thousand, six hundred forty-two".