3501151540 has 96 divisors (see below), whose sum is σ = 7970006016. Its totient is φ = 1288488960.

The previous prime is 3501151463. The next prime is 3501151541. The reversal of 3501151540 is 451511053.

It is a happy number.

3501151540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3501151541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1375509 + ... + 1378051.

It is an arithmetic number, because the mean of its divisors is an integer number (83020896).

Almost surely, 2^3501151540 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 3501151540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3985003008).

3501151540 is an abundant number, since it is smaller than the sum of its proper divisors (4468854476).

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

3501151540 is a wasteful number, since it uses less digits than its factorization.

3501151540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689 (or 2687 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 3501151540 is about 59170.5293199241. The cubic root of 3501151540 is about 1518.4609797590.

Adding to 3501151540 its reverse (451511053), we get a palindrome (3952662593).

The spelling of 3501151540 in words is "three billion, five hundred one million, one hundred fifty-one thousand, five hundred forty".