1925148408 has 128 divisors (see below), whose sum is σ = 5221972800. Its totient is φ = 589234176.

The previous prime is 1925148389. The next prime is 1925148437. The reversal of 1925148408 is 8048415291.

It is a self number, because there is not a number n which added to its sum of digits gives 1925148408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3246160 + ... + 3246752.

Almost surely, 2^1925148408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1925148408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2610986400).

1925148408 is an abundant number, since it is smaller than the sum of its proper divisors (3296824392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1925148408 is a wasteful number, since it uses less digits than its factorization.

1925148408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 1925148408 is about 43876.5131704879. The cubic root of 1925148408 is about 1244.0029345506.

The spelling of 1925148408 in words is "one billion, nine hundred twenty-five million, one hundred forty-eight thousand, four hundred eight".