3481739520 has 144 divisors (see below), whose sum is σ = 12708447360. Its totient is φ = 795820032.

The previous prime is 3481739491. The next prime is 3481739533. The reversal of 3481739520 is 259371843.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37885 + ... + 91644.

Almost surely, 2^3481739520 is an apocalyptic number.

3481739520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3481739520 is an abundant number, since it is smaller than the sum of its proper divisors (9226707840).

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

3481739520 is a wasteful number, since it uses less digits than its factorization.

3481739520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129560 (or 129546 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 3481739520 is about 59006.2667858254. The cubic root of 3481739520 is about 1515.6494247639.

The spelling of 3481739520 in words is "three billion, four hundred eighty-one million, seven hundred thirty-nine thousand, five hundred twenty".