3669851240 has 64 divisors (see below), whose sum is σ = 9090576000. Its totient is φ = 1322231040.

The previous prime is 3669851221. The next prime is 3669851243. The reversal of 3669851240 is 421589663.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 3669851191 and 3669851200.

It is not an unprimeable number, because it can be changed into a prime (3669851243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9701 + ... + 86219.

It is an arithmetic number, because the mean of its divisors is an integer number (142040250).

Almost surely, 2^3669851240 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 3669851240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4545288000).

3669851240 is an abundant number, since it is smaller than the sum of its proper divisors (5420724760).

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

3669851240 is a wasteful number, since it uses less digits than its factorization.

3669851240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76650 (or 76646 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 3669851240 is about 60579.2971236874. The cubic root of 3669851240 is about 1542.4679661003.

The spelling of 3669851240 in words is "three billion, six hundred sixty-nine million, eight hundred fifty-one thousand, two hundred forty".