3780156612 has 48 divisors (see below), whose sum is σ = 9148910400. Its totient is φ = 1213349760.

The previous prime is 3780156607. The next prime is 3780156637. The reversal of 3780156612 is 2166510873.

It is a super-2 number, since 2×3780156612² = 28579168022494637088, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117562 + ... + 146222.

It is an arithmetic number, because the mean of its divisors is an integer number (190602300).

Almost surely, 2^3780156612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3780156612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4574455200).

3780156612 is an abundant number, since it is smaller than the sum of its proper divisors (5368753788).

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

3780156612 is a wasteful number, since it uses less digits than its factorization.

3780156612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29076 (or 29074 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 3780156612 is about 61482.9782297507. The cubic root of 3780156612 is about 1557.7697436679.

The spelling of 3780156612 in words is "three billion, seven hundred eighty million, one hundred fifty-six thousand, six hundred twelve".