3449620140 has 48 divisors (see below), whose sum is σ = 9662216928. Its totient is φ = 919586304.

The previous prime is 3449620117. The next prime is 3449620193. The reversal of 3449620140 is 410269443.

3449620140 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3449620140² = 23799758220587239200, which contains 22 as substring.

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, 208824 + ... + 224736.

It is an arithmetic number, because the mean of its divisors is an integer number (201296186).

Almost surely, 2^3449620140 is an apocalyptic number.

3449620140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3449620140 is an abundant number, since it is smaller than the sum of its proper divisors (6212596788).

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

3449620140 is a wasteful number, since it uses less digits than its factorization.

3449620140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19538 (or 19536 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 3449620140 is about 58733.4669502831. The cubic root of 3449620140 is about 1510.9743488580.

Adding to 3449620140 its reverse (410269443), we get a palindrome (3859889583).

The spelling of 3449620140 in words is "three billion, four hundred forty-nine million, six hundred twenty thousand, one hundred forty".