25077040 has 40 divisors (see below), whose sum is σ = 61737120. Its totient is φ = 9440256.

The previous prime is 25077037. The next prime is 25077043. The reversal of 25077040 is 4077052.

It is an interprime number because it is at equal distance from previous prime (25077037) and next prime (25077043).

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

It is a junction number, because it is equal to n+sod(n) for n = 25076996 and 25077014.

It is not an unprimeable number, because it can be changed into a prime (25077043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7860 + ... + 10579.

It is an arithmetic number, because the mean of its divisors is an integer number (1543428).

Almost surely, 2^25077040 is an apocalyptic number.

25077040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25077040 is an abundant number, since it is smaller than the sum of its proper divisors (36660080).

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

25077040 is a wasteful number, since it uses less digits than its factorization.

25077040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18469 (or 18463 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 25077040 is about 5007.6980739657. The cubic root of 25077040 is about 292.7018209257.

The spelling of 25077040 in words is "twenty-five million, seventy-seven thousand, forty".