39801048004 has 27 divisors (see below), whose sum is σ = 72828633997. Its totient is φ = 19030894784.

The previous prime is 39801047939. The next prime is 39801048059. The reversal of 39801048004 is 40084010893.

The square root of 39801048004 is 199502.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 457532100 + 39343515904 = 21390^2 + 198352^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9174924 + ... + 9179260.

Almost surely, 2^39801048004 is an apocalyptic number.

39801048004 is the 199502-nd square number.

It is an amenable number.

39801048004 is a deficient number, since it is larger than the sum of its proper divisors (33027585993).

39801048004 is an frugal number, since it uses more digits than its factorization.

39801048004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8724 (or 4362 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

Adding to 39801048004 its reverse (40084010893), we get a palindrome (79885058897).

The spelling of 39801048004 in words is "thirty-nine billion, eight hundred one million, forty-eight thousand, four".