1788696042 has 32 divisors (see below), whose sum is σ = 4146038784. Its totient is φ = 503857200.

The previous prime is 1788696023. The next prime is 1788696047. The reversal of 1788696042 is 2406968871.

It is not an unprimeable number, because it can be changed into a prime (1788696047) 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, 296934 + ... + 302897.

It is an arithmetic number, because the mean of its divisors is an integer number (129563712).

Almost surely, 2^1788696042 is an apocalyptic number.

1788696042 is an abundant number, since it is smaller than the sum of its proper divisors (2357342742).

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

1788696042 is a wasteful number, since it uses less digits than its factorization.

1788696042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599914.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 1788696042 is about 42292.9786371213. The cubic root of 1788696042 is about 1213.8886442086. Note that the first 3 decimals are identical.

The spelling of 1788696042 in words is "one billion, seven hundred eighty-eight million, six hundred ninety-six thousand, forty-two".