842025004 has 6 divisors (see below), whose sum is σ = 1473543764. Its totient is φ = 421012500.

The previous prime is 842024993. The next prime is 842025017. The reversal of 842025004 is 400520248.

It is a happy number.

It is a super-2 number, since 2×842025004² = 1418012214722400032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 842025004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105253122 + ... + 105253129.

Almost surely, 2^842025004 is an apocalyptic number.

It is an amenable number.

842025004 is a deficient number, since it is larger than the sum of its proper divisors (631518760).

842025004 is a wasteful number, since it uses less digits than its factorization.

842025004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210506255 (or 210506253 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 842025004 is about 29017.6671012678. The cubic root of 842025004 is about 944.2963899230.

The spelling of 842025004 in words is "eight hundred forty-two million, twenty-five thousand, four".