1642530004 has 48 divisors (see below), whose sum is σ = 3184272000. Its totient is φ = 737386496.

The previous prime is 1642529983. The next prime is 1642530013. The reversal of 1642530004 is 4000352461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701067 + ... + 703405.

It is an arithmetic number, because the mean of its divisors is an integer number (66339000).

Almost surely, 2^1642530004 is an apocalyptic number.

It is an amenable number.

1642530004 is a deficient number, since it is larger than the sum of its proper divisors (1541741996).

1642530004 is a wasteful number, since it uses less digits than its factorization.

1642530004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832 (or 2830 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1642530004 is about 40528.1384225824. The cubic root of 1642530004 is about 1179.8798125219.

Adding to 1642530004 its reverse (4000352461), we get a palindrome (5642882465).

The spelling of 1642530004 in words is "one billion, six hundred forty-two million, five hundred thirty thousand, four".