2602066442 has 4 divisors (see below), whose sum is σ = 3903099666. Its totient is φ = 1301033220.

The previous prime is 2602066409. The next prime is 2602066457. The reversal of 2602066442 is 2446602062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2446602062 = 2 ⋅1223301031.

It can be written as a sum of positive squares in only one way, i.e., 1637901841 + 964164601 = 40471^2 + 31051^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2602066399 and 2602066408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650516609 + ... + 650516612.

Almost surely, 2^2602066442 is an apocalyptic number.

2602066442 is a deficient number, since it is larger than the sum of its proper divisors (1301033224).

2602066442 is a wasteful number, since it uses less digits than its factorization.

2602066442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301033223.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 2602066442 is about 51010.4542422433. The cubic root of 2602066442 is about 1375.4330654841.

The spelling of 2602066442 in words is "two billion, six hundred two million, sixty-six thousand, four hundred forty-two".