3739221066240 has 1200 divisors, whose sum is σ = 14935359700800. Its totient is φ = 893284761600.

The previous prime is 3739221066233. The next prime is 3739221066271. The reversal of 3739221066240 is 426601229373.

3739221066240 is a `hidden beast` number, since 3 + 7 + 3 + 9 + 2 + 2 + 10 + 6 + 624 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 119 ways as a sum of consecutive naturals, for example, 1781428711 + ... + 1781430809.

It is an arithmetic number, because the mean of its divisors is an integer number (12446133084).

Almost surely, 2^{3739221066240} is an apocalyptic number.

3739221066240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3739221066240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7467679850400).

3739221066240 is an abundant number, since it is smaller than the sum of its proper divisors (11196138634560).

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

3739221066240 is a wasteful number, since it uses less digits than its factorization.

3739221066240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227 (or 2191 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 3739221066240 in words is "three trillion, seven hundred thirty-nine billion, two hundred twenty-one million, sixty-six thousand, two hundred forty".