4011557732 has 72 divisors (see below), whose sum is σ = 8818117056. Its totient is φ = 1563179904.

The previous prime is 4011557729. The next prime is 4011557741. The reversal of 4011557732 is 2377551104.

It is a junction number, because it is equal to n+sod(n) for n = 4011557692 and 4011557701.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310718 + ... + 323370.

It is an arithmetic number, because the mean of its divisors is an integer number (122473848).

Almost surely, 2^4011557732 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 4011557732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4409058528).

4011557732 is an abundant number, since it is smaller than the sum of its proper divisors (4806559324).

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

4011557732 is a wasteful number, since it uses less digits than its factorization.

4011557732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12757 (or 12742 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 4011557732 is about 63336.8591895746. The cubic root of 4011557732 is about 1588.9284781075.

The spelling of 4011557732 in words is "four billion, eleven million, five hundred fifty-seven thousand, seven hundred thirty-two".