25490437733376 has 3168 divisors, whose sum is σ = 103137634768896. Its totient is φ = 5909328691200.

The previous prime is 25490437733363. The next prime is 25490437733381. The reversal of 25490437733376 is 67333773409452.

25490437733376 is a `hidden beast` number, since 2 + 5 + 490 + 4 + 3 + 7 + 73 + 3 + 3 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (3168).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 380454294495 + ... + 380454294561.

Almost surely, 2^{25490437733376} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25490437733376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51568817384448).

25490437733376 is an abundant number, since it is smaller than the sum of its proper divisors (77647197035520).

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

25490437733376 is a wasteful number, since it uses less digits than its factorization.

25490437733376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 240045120, while the sum is 63.

The spelling of 25490437733376 in words is "twenty-five trillion, four hundred ninety billion, four hundred thirty-seven million, seven hundred thirty-three thousand, three hundred seventy-six".