1449664004 has 6 divisors (see below), whose sum is σ = 2536912014. Its totient is φ = 724832000.

The previous prime is 1449663997. The next prime is 1449664039. The reversal of 1449664004 is 4004669441.

It can be written as a sum of positive squares in only one way, i.e., 1267360000 + 182304004 = 35600^2 + 13502^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181207997 + ... + 181208004.

It is an arithmetic number, because the mean of its divisors is an integer number (422818669).

Almost surely, 2^1449664004 is an apocalyptic number.

It is an amenable number.

1449664004 is a deficient number, since it is larger than the sum of its proper divisors (1087248010).

1449664004 is a wasteful number, since it uses less digits than its factorization.

1449664004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362416005 (or 362416003 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 1449664004 is about 38074.4534300888. The cubic root of 1449664004 is about 1131.7637645026.

The spelling of 1449664004 in words is "one billion, four hundred forty-nine million, six hundred sixty-four thousand, four".