1825421976 has 96 divisors (see below), whose sum is σ = 5691572640. Its totient is φ = 517722624.

The previous prime is 1825421921. The next prime is 1825421977. The reversal of 1825421976 is 6791245281.

1825421976 is a `hidden beast` number, since 18 + 2 + 542 + 1 + 97 + 6 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1825421977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55830 + ... + 82266.

It is an arithmetic number, because the mean of its divisors is an integer number (59287215).

Almost surely, 2^1825421976 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 1825421976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2845786320).

1825421976 is an abundant number, since it is smaller than the sum of its proper divisors (3866150664).

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

1825421976 is a wasteful number, since it uses less digits than its factorization.

1825421976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26593 (or 26586 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 1825421976 is about 42724.9572966434. The cubic root of 1825421976 is about 1222.1403742264.

It can be divided in two parts, 1825 and 421976, that added together give a square (423801 = 651²).

The spelling of 1825421976 in words is "one billion, eight hundred twenty-five million, four hundred twenty-one thousand, nine hundred seventy-six".