25411400432 has 80 divisors (see below), whose sum is σ = 56687800320. Its totient is φ = 10913587200.

The previous prime is 25411400419. The next prime is 25411400461. The reversal of 25411400432 is 23400411452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1270832 + ... + 1290672.

It is an arithmetic number, because the mean of its divisors is an integer number (708597504).

Almost surely, 2^25411400432 is an apocalyptic number.

25411400432 is a gapful number since it is divisible by the number (22) 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 25411400432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28343900160).

25411400432 is an abundant number, since it is smaller than the sum of its proper divisors (31276399888).

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

25411400432 is a wasteful number, since it uses less digits than its factorization.

25411400432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20262 (or 20256 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 25411400432 its reverse (23400411452), we get a palindrome (48811811884).

The spelling of 25411400432 in words is "twenty-five billion, four hundred eleven million, four hundred thousand, four hundred thirty-two".