1925280450 has 144 divisors (see below), whose sum is σ = 5512459680. Its totient is φ = 480349440.

The previous prime is 1925280437. The next prime is 1925280473. The reversal of 1925280450 is 540825291.

1925280450 is a `hidden beast` number, since 1 + 92 + 528 + 0 + 45 + 0 = 666.

It is a super-2 number, since 2×1925280450² = 7413409622304405000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 708294 + ... + 711006.

It is an arithmetic number, because the mean of its divisors is an integer number (38280970).

Almost surely, 2^1925280450 is an apocalyptic number.

1925280450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1925280450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2756229840).

1925280450 is an abundant number, since it is smaller than the sum of its proper divisors (3587179230).

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

1925280450 is a wasteful number, since it uses less digits than its factorization.

1925280450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833 (or 2825 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 1925280450 is about 43878.0178449301. The cubic root of 1925280450 is about 1244.0313751077.

The spelling of 1925280450 in words is "one billion, nine hundred twenty-five million, two hundred eighty thousand, four hundred fifty".