3500016840 has 48 divisors (see below), whose sum is σ = 11375055900. Its totient is φ = 933337728.

The previous prime is 3500016829. The next prime is 3500016841. The reversal of 3500016840 is 486100053.

It can be written as a sum of positive squares in 2 ways, for example, as 3237382404 + 262634436 = 56898^2 + 16206^2 .

It is not an unprimeable number, because it can be changed into a prime (3500016841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4860775 + ... + 4861494.

Almost surely, 2^3500016840 is an apocalyptic number.

3500016840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3500016840 is an abundant number, since it is smaller than the sum of its proper divisors (7875039060).

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

3500016840 is a wasteful number, since it uses less digits than its factorization.

3500016840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9722286 (or 9722279 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 3500016840 is about 59160.9401548015. The cubic root of 3500016840 is about 1518.2969209891.

Adding to 3500016840 its reverse (486100053), we get a palindrome (3986116893).

The spelling of 3500016840 in words is "three billion, five hundred million, sixteen thousand, eight hundred forty".