1825641636480 has 192 divisors, whose sum is σ = 6635967530400. Its totient is φ = 461214701568.

The previous prime is 1825641636439. The next prime is 1825641636523. The reversal of 1825641636480 is 846361465281.

1825641636480 is a `hidden beast` number, since 1 + 8 + 2 + 564 + 1 + 6 + 36 + 48 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8231394 + ... + 8450273.

Almost surely, 2^{1825641636480} is an apocalyptic number.

1825641636480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1825641636480 is an abundant number, since it is smaller than the sum of its proper divisors (4810325893920).

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

1825641636480 is a wasteful number, since it uses less digits than its factorization.

1825641636480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16681711 (or 16681696 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 1825641636480 in words is "one trillion, eight hundred twenty-five billion, six hundred forty-one million, six hundred thirty-six thousand, four hundred eighty".