3615641442 has 64 divisors (see below), whose sum is σ = 9665894400. Its totient is φ = 978667920.

The previous prime is 3615641441. The next prime is 3615641483. The reversal of 3615641442 is 2441465163.

3615641442 is a `hidden beast` number, since 3 + 6 + 1 + 5 + 641 + 4 + 4 + 2 = 666.

3615641442 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 a junction number, because it is equal to n+sod(n) for n = 3615641397 and 3615641406.

It is not an unprimeable number, because it can be changed into a prime (3615641441) 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, 244534 + ... + 258897.

It is an arithmetic number, because the mean of its divisors is an integer number (151029600).

Almost surely, 2^3615641442 is an apocalyptic number.

3615641442 is an abundant number, since it is smaller than the sum of its proper divisors (6050252958).

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

3615641442 is a wasteful number, since it uses less digits than its factorization.

3615641442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503468 (or 503462 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 3615641442 is about 60130.2040741589. The cubic root of 3615641442 is about 1534.8353216298.

The spelling of 3615641442 in words is "three billion, six hundred fifteen million, six hundred forty-one thousand, four hundred forty-two".