25000443450054 has 32 divisors (see below), whose sum is σ = 55558120544640. Its totient is φ = 8333244218376.

The previous prime is 25000443450053. The next prime is 25000443450089. The reversal of 25000443450054 is 45005434400052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25000443450053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4659384 + ... + 8468219.

It is an arithmetic number, because the mean of its divisors is an integer number (1736191267020).

Almost surely, 2^{25000443450054} is an apocalyptic number.

25000443450054 is an abundant number, since it is smaller than the sum of its proper divisors (30557677094586).

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

25000443450054 is a wasteful number, since it uses less digits than its factorization.

25000443450054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13162881 (or 13162875 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

The spelling of 25000443450054 in words is "twenty-five trillion, four hundred forty-three million, four hundred fifty thousand, fifty-four".