1025604404 has 12 divisors (see below), whose sum is σ = 1957972128. Its totient is φ = 466183800.

The previous prime is 1025604397. The next prime is 1025604413. The reversal of 1025604404 is 4044065201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11654552 + ... + 11654639.

It is an arithmetic number, because the mean of its divisors is an integer number (163164344).

Almost surely, 2^1025604404 is an apocalyptic number.

It is an amenable number.

1025604404 is a deficient number, since it is larger than the sum of its proper divisors (932367724).

1025604404 is a wasteful number, since it uses less digits than its factorization.

1025604404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23309206 (or 23309204 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1025604404 is about 32025.0590007263. The cubic root of 1025604404 is about 1008.4629773034.

Adding to 1025604404 its reverse (4044065201), we get a palindrome (5069669605).

The spelling of 1025604404 in words is "one billion, twenty-five million, six hundred four thousand, four hundred four".