2042030402 has 4 divisors (see below), whose sum is σ = 3063045606. Its totient is φ = 1021015200.

The previous prime is 2042030381. The next prime is 2042030411. The reversal of 2042030402 is 2040302402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2040302402 = 2 ⋅1020151201.

It can be written as a sum of positive squares in only one way, i.e., 1185356041 + 856674361 = 34429^2 + 29269^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510507599 + ... + 510507602.

Almost surely, 2^2042030402 is an apocalyptic number.

2042030402 is a deficient number, since it is larger than the sum of its proper divisors (1021015204).

2042030402 is a wasteful number, since it uses less digits than its factorization.

2042030402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021015203.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 2042030402 is about 45188.8305004677. The cubic root of 2042030402 is about 1268.6857675847.

Adding to 2042030402 its reverse (2040302402), we get a palindrome (4082332804).

Subtracting from 2042030402 its reverse (2040302402), we obtain a cube (1728000 = 120³).

The spelling of 2042030402 in words is "two billion, forty-two million, thirty thousand, four hundred two".