25023442480 has 40 divisors (see below), whose sum is σ = 60709051872. Its totient is φ = 9574185984.

The previous prime is 25023442471. The next prime is 25023442481. The reversal of 25023442480 is 8424432052.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-4 number, since 4×25023442480⁴ (a number of 43 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (25023442481) 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 7 ways as a sum of consecutive naturals, for example, 6798009 + ... + 6801688.

Almost surely, 2^25023442480 is an apocalyptic number.

25023442480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25023442480 is an abundant number, since it is smaller than the sum of its proper divisors (35685609392).

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

25023442480 is a wasteful number, since it uses less digits than its factorization.

25023442480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13599733 (or 13599727 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 34.

The spelling of 25023442480 in words is "twenty-five billion, twenty-three million, four hundred forty-two thousand, four hundred eighty".