40048004 has 6 divisors (see below), whose sum is σ = 70084014. Its totient is φ = 20024000.

The previous prime is 40047989. The next prime is 40048009. The reversal of 40048004 is 40084004.

It can be written as a sum of positive squares in only one way, i.e., 37332100 + 2715904 = 6110^2 + 1648^2 .

It is not an unprimeable number, because it can be changed into a prime (40048009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005997 + ... + 5006004.

It is an arithmetic number, because the mean of its divisors is an integer number (11680669).

Almost surely, 2^40048004 is an apocalyptic number.

It is an amenable number.

40048004 is a deficient number, since it is larger than the sum of its proper divisors (30036010).

40048004 is a wasteful number, since it uses less digits than its factorization.

40048004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10012005 (or 10012003 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 40048004 is about 6328.3492318297. The cubic root of 40048004 is about 342.1319441190.

The spelling of 40048004 in words is "forty million, forty-eight thousand, four".