3500499240 has 480 divisors, whose sum is σ = 14502735720. Its totient is φ = 752467968.

The previous prime is 3500499239. The next prime is 3500499251. The reversal of 3500499240 is 429940053.

It can be written as a sum of positive squares in 4 ways, for example, as 3492100836 + 8398404 = 59094^2 + 2898^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3500499195 and 3500499204.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2698272 + ... + 2699568.

Almost surely, 2^3500499240 is an apocalyptic number.

3500499240 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 3500499240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7251367860).

3500499240 is an abundant number, since it is smaller than the sum of its proper divisors (11002236480).

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

3500499240 is a wasteful number, since it uses less digits than its factorization.

3500499240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351 (or 1331 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 3500499240 is about 59165.0170286462. The cubic root of 3500499240 is about 1518.3666723475.

The spelling of 3500499240 in words is "three billion, five hundred million, four hundred ninety-nine thousand, two hundred forty".