3500442540 has 120 divisors (see below), whose sum is σ = 12549775392. Its totient is φ = 800098560.

The previous prime is 3500442509. The next prime is 3500442557. The reversal of 3500442540 is 452440053.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 143001 + ... + 165680.

Almost surely, 2^3500442540 is an apocalyptic number.

3500442540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3500442540 is an abundant number, since it is smaller than the sum of its proper divisors (9049332852).

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

3500442540 is a wasteful number, since it uses less digits than its factorization.

3500442540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308709 (or 308698 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 3500442540 is about 59164.5378584165. The cubic root of 3500442540 is about 1518.3584742926.

Adding to 3500442540 its reverse (452440053), we get a palindrome (3952882593).

It can be divided in two parts, 3500 and 442540, that added together give a triangular number (446040 = T₉₄₄).

The spelling of 3500442540 in words is "three billion, five hundred million, four hundred forty-two thousand, five hundred forty".