25745037120 has 672 divisors, whose sum is σ = 102191880960. Its totient is φ = 5887918080.

The previous prime is 25745037089. The next prime is 25745037121. The reversal of 25745037120 is 2173054752.

25745037120 is a `hidden beast` number, since 2 + 57 + 450 + 37 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25745037121) 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 95 ways as a sum of consecutive naturals, for example, 64848762 + ... + 64849158.

Almost surely, 2^25745037120 is an apocalyptic number.

25745037120 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 25745037120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51095940480).

25745037120 is an abundant number, since it is smaller than the sum of its proper divisors (76446843840).

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

25745037120 is a wasteful number, since it uses less digits than its factorization.

25745037120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The spelling of 25745037120 in words is "twenty-five billion, seven hundred forty-five million, thirty-seven thousand, one hundred twenty".