1404664445 has 16 divisors (see below), whose sum is σ = 1784280960. Its totient is φ = 1059745344.

The previous prime is 1404664427. The next prime is 1404664463. The reversal of 1404664445 is 5444664041.

It is an interprime number because it is at equal distance from previous prime (1404664427) and next prime (1404664463).

It is a cyclic number.

It is not a de Polignac number, because 1404664445 - 2¹⁴ = 1404648061 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1404664399 and 1404664408.

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, 106409 + ... + 118878.

It is an arithmetic number, because the mean of its divisors is an integer number (111517560).

Almost surely, 2^1404664445 is an apocalyptic number.

It is an amenable number.

1404664445 is a deficient number, since it is larger than the sum of its proper divisors (379616515).

1404664445 is a wasteful number, since it uses less digits than its factorization.

1404664445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225364.

The product of its (nonzero) digits is 184320, while the sum is 38.

The square root of 1404664445 is about 37478.8533042301. The cubic root of 1404664445 is about 1119.9299608094.

The spelling of 1404664445 in words is "one billion, four hundred four million, six hundred sixty-four thousand, four hundred forty-five".