3540252404 has 48 divisors (see below), whose sum is σ = 6768451536. Its totient is φ = 1610496000.

The previous prime is 3540252347. The next prime is 3540252407. The reversal of 3540252404 is 4042520453.

It can be written as a sum of positive squares in 8 ways, for example, as 426835600 + 3113416804 = 20660^2 + 55798^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3540252407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1264334 + ... + 1267130.

It is an arithmetic number, because the mean of its divisors is an integer number (141009407).

Almost surely, 2^3540252404 is an apocalyptic number.

It is an amenable number.

3540252404 is a deficient number, since it is larger than the sum of its proper divisors (3228199132).

3540252404 is a wasteful number, since it uses less digits than its factorization.

3540252404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3156 (or 3154 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 3540252404 is about 59500.0202016772. The cubic root of 3540252404 is about 1524.0927907395.

Adding to 3540252404 its reverse (4042520453), we get a palindrome (7582772857).

The spelling of 3540252404 in words is "three billion, five hundred forty million, two hundred fifty-two thousand, four hundred four".