3749211280 has 160 divisors (see below), whose sum is σ = 9608277888. Its totient is φ = 1354752000.

The previous prime is 3749211251. The next prime is 3749211281. The reversal of 3749211280 is 821129473.

It is not an unprimeable number, because it can be changed into a prime (3749211281) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3566755 + ... + 3567805.

Almost surely, 2^3749211280 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 3749211280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4804138944).

3749211280 is an abundant number, since it is smaller than the sum of its proper divisors (5859066608).

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

3749211280 is a wasteful number, since it uses less digits than its factorization.

3749211280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185 (or 1179 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 3749211280 is about 61230.8033590937. The cubic root of 3749211280 is about 1553.5073237210.

The spelling of 3749211280 in words is "three billion, seven hundred forty-nine million, two hundred eleven thousand, two hundred eighty".