25040838 has 8 divisors (see below), whose sum is σ = 50081688. Its totient is φ = 8346944.

The previous prime is 25040837. The next prime is 25040863. The reversal of 25040838 is 83804052.

It is a sphenic number, since it is the product of 3 distinct primes.

25040838 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25040831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2086731 + ... + 2086742.

It is an arithmetic number, because the mean of its divisors is an integer number (6260211).

Almost surely, 2^25040838 is an apocalyptic number.

25040838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25040838 is a wasteful number, since it uses less digits than its factorization.

25040838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173478.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 25040838 is about 5004.0821336185. The cubic root of 25040838 is about 292.5609019216.

It can be divided in two parts, 25040 and 838, that added together give a triangular number (25878 = T₂₂₇).

The spelling of 25040838 in words is "twenty-five million, forty thousand, eight hundred thirty-eight".