1404265625 has 56 divisors (see below), whose sum is σ = 2066223552. Its totient is φ = 934200000.

The previous prime is 1404265613. The next prime is 1404265649. The reversal of 1404265625 is 5265624041.

It is not a de Polignac number, because 1404265625 - 2⁴ = 1404265609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 4046702 + ... + 4047048.

Almost surely, 2^1404265625 is an apocalyptic number.

It is an amenable number.

1404265625 is a deficient number, since it is larger than the sum of its proper divisors (661957927).

1404265625 is an frugal number, since it uses more digits than its factorization.

1404265625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 1404265625 is about 37473.5323261632. The cubic root of 1404265625 is about 1119.8239585664.

Adding to 1404265625 its reverse (5265624041), we get a palindrome (6669889666).

The spelling of 1404265625 in words is "one billion, four hundred four million, two hundred sixty-five thousand, six hundred twenty-five".