1633540242 has 48 divisors (see below), whose sum is σ = 3365788608. Its totient is φ = 528490560.

The previous prime is 1633540213. The next prime is 1633540243. The reversal of 1633540242 is 2420453361.

It is not an unprimeable number, because it can be changed into a prime (1633540243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1735492 + ... + 1736432.

It is an arithmetic number, because the mean of its divisors is an integer number (70120596).

Almost surely, 2^1633540242 is an apocalyptic number.

1633540242 is an abundant number, since it is smaller than the sum of its proper divisors (1732248366).

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

1633540242 is a wasteful number, since it uses less digits than its factorization.

1633540242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 1633540242 is about 40417.0785930898. The cubic root of 1633540242 is about 1177.7233326684.

The spelling of 1633540242 in words is "one billion, six hundred thirty-three million, five hundred forty thousand, two hundred forty-two".