3524040621 has 16 divisors (see below), whose sum is σ = 5250985920. Its totient is φ = 2335777200.

The previous prime is 3524040547. The next prime is 3524040623. The reversal of 3524040621 is 1260404253.

3524040621 is a `hidden beast` number, since 35 + 2 + 4 + 0 + 4 + 0 + 621 = 666.

3524040621 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3524040621 - 2¹⁹ = 3523516333 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3524040623) 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, 372555 + ... + 381896.

It is an arithmetic number, because the mean of its divisors is an integer number (328186620).

Almost surely, 2^3524040621 is an apocalyptic number.

It is an amenable number.

3524040621 is a deficient number, since it is larger than the sum of its proper divisors (1726945299).

3524040621 is a wasteful number, since it uses less digits than its factorization.

3524040621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754633 (or 754627 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 3524040621 is about 59363.6304567030. The cubic root of 3524040621 is about 1521.7628181549.

Adding to 3524040621 its reverse (1260404253), we get a palindrome (4784444874).

The spelling of 3524040621 in words is "three billion, five hundred twenty-four million, forty thousand, six hundred twenty-one".