25034841984 has 64 divisors (see below), whose sum is σ = 67006558080. Its totient is φ = 8281228800.

The previous prime is 25034841983. The next prime is 25034841989. The reversal of 25034841984 is 48914843052.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25034841983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198532 + ... + 299139.

It is an arithmetic number, because the mean of its divisors is an integer number (1046977470).

Almost surely, 2^25034841984 is an apocalyptic number.

25034841984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25034841984 is an abundant number, since it is smaller than the sum of its proper divisors (41971716096).

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

25034841984 is a wasteful number, since it uses less digits than its factorization.

25034841984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497819 (or 497807 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 25034841984 in words is "twenty-five billion, thirty-four million, eight hundred forty-one thousand, nine hundred eighty-four".