4021245608 has 8 divisors (see below), whose sum is σ = 7539835530. Its totient is φ = 2010622800.

The previous prime is 4021245563. The next prime is 4021245619. The reversal of 4021245608 is 8065421204.

It can be written as a sum of positive squares in only one way, i.e., 3893510404 + 127735204 = 62398^2 + 11302^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251327843 + ... + 251327858.

Almost surely, 2^4021245608 is an apocalyptic number.

It is an amenable number.

4021245608 is a deficient number, since it is larger than the sum of its proper divisors (3518589922).

4021245608 is a wasteful number, since it uses less digits than its factorization.

4021245608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502655707 (or 502655703 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 4021245608 is about 63413.2920451225. The cubic root of 4021245608 is about 1590.2065325111.

The spelling of 4021245608 in words is "four billion, twenty-one million, two hundred forty-five thousand, six hundred eight".