25077445000 has 160 divisors (see below), whose sum is σ = 60667299000. Its totient is φ = 9708800000.

The previous prime is 25077444983. The next prime is 25077445033. The reversal of 25077445000 is 54477052.

It can be written as a sum of positive squares in 20 ways, for example, as 23209303716 + 1868141284 = 152346^2 + 43222^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 30544590 + ... + 30545410.

Almost surely, 2^25077445000 is an apocalyptic number.

25077445000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25077445000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30333649500).

25077445000 is an abundant number, since it is smaller than the sum of its proper divisors (35589854000).

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

25077445000 is a wasteful number, since it uses less digits than its factorization.

25077445000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The spelling of 25077445000 in words is "twenty-five billion, seventy-seven million, four hundred forty-five thousand".