3512840540 has 72 divisors (see below), whose sum is σ = 8206727760. Its totient is φ = 1261934080.

The previous prime is 3512840537. The next prime is 3512840561. The reversal of 3512840540 is 450482153.

It is a junction number, because it is equal to n+sod(n) for n = 3512840497 and 3512840506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192116 + ... + 209604.

It is an arithmetic number, because the mean of its divisors is an integer number (113982330).

Almost surely, 2^3512840540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3512840540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4103363880).

3512840540 is an abundant number, since it is smaller than the sum of its proper divisors (4693887220).

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

3512840540 is a wasteful number, since it uses less digits than its factorization.

3512840540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17603 (or 17590 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 3512840540 is about 59269.2208485990. The cubic root of 3512840540 is about 1520.1489552777.

The spelling of 3512840540 in words is "three billion, five hundred twelve million, eight hundred forty thousand, five hundred forty".