2402021642 has 4 divisors (see below), whose sum is σ = 3603032466. Its totient is φ = 1201010820.

The previous prime is 2402021603. The next prime is 2402021683. The reversal of 2402021642 is 2461202042.

2402021642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1863735241 + 538286401 = 43171^2 + 23201^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600505409 + ... + 600505412.

Almost surely, 2^2402021642 is an apocalyptic number.

2402021642 is a deficient number, since it is larger than the sum of its proper divisors (1201010824).

2402021642 is a wasteful number, since it uses less digits than its factorization.

2402021642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201010823.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2402021642 is about 49010.4238096346. The cubic root of 2402021642 is about 1339.2417262605.

Adding to 2402021642 its reverse (2461202042), we get a palindrome (4863223684).

The spelling of 2402021642 in words is "two billion, four hundred two million, twenty-one thousand, six hundred forty-two".