25035720000 has 140 divisors (see below), whose sum is σ = 82774328736. Its totient is φ = 6676160000.

The previous prime is 25035719993. The next prime is 25035720007. The reversal of 25035720000 is 2753052.

It is an interprime number because it is at equal distance from previous prime (25035719993) and next prime (25035720007).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25035720007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15685 + ... + 224315.

Almost surely, 2^25035720000 is an apocalyptic number.

25035720000 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 25035720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41387164368).

25035720000 is an abundant number, since it is smaller than the sum of its proper divisors (57738608736).

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

25035720000 is an equidigital number, since it uses as much as digits as its factorization.

25035720000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208666 (or 208641 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The spelling of 25035720000 in words is "twenty-five billion, thirty-five million, seven hundred twenty thousand".