1618242042 has 16 divisors (see below), whose sum is σ = 3245503680. Its totient is φ = 537910752.

The previous prime is 1618242023. The next prime is 1618242047. The reversal of 1618242042 is 2402428161.

It is not an unprimeable number, because it can be changed into a prime (1618242047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373483 + ... + 377790.

It is an arithmetic number, because the mean of its divisors is an integer number (202843980).

Almost surely, 2^1618242042 is an apocalyptic number.

1618242042 is an abundant number, since it is smaller than the sum of its proper divisors (1627261638).

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

1618242042 is a wasteful number, since it uses less digits than its factorization.

1618242042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751637.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 1618242042 is about 40227.3792584106. The cubic root of 1618242042 is about 1174.0353131032.

The spelling of 1618242042 in words is "one billion, six hundred eighteen million, two hundred forty-two thousand, forty-two".