25429464 has 96 divisors (see below), whose sum is σ = 72683520. Its totient is φ = 8328096.

The previous prime is 25429463. The next prime is 25429493. The reversal of 25429464 is 46492452.

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 (25429463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200169 + ... + 200295.

It is an arithmetic number, because the mean of its divisors is an integer number (757120).

Almost surely, 2^25429464 is an apocalyptic number.

25429464 is a gapful number since it is divisible by the number (24) 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 25429464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36341760).

25429464 is an abundant number, since it is smaller than the sum of its proper divisors (47254056).

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

25429464 is a wasteful number, since it uses less digits than its factorization.

25429464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 235 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 25429464 is about 5042.7635280667. The cubic root of 25429464 is about 294.0666238016.

The spelling of 25429464 in words is "twenty-five million, four hundred twenty-nine thousand, four hundred sixty-four".