1825481509488 has 240 divisors, whose sum is σ = 6657639258816. Its totient is φ = 453125283840.

The previous prime is 1825481509459. The next prime is 1825481509559. The reversal of 1825481509488 is 8849051845281.

1825481509488 is a `hidden beast` number, since 1 + 8 + 2 + 5 + 4 + 81 + 509 + 48 + 8 = 666.

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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3874503 + ... + 4320038.

Almost surely, 2^{1825481509488} is an apocalyptic number.

1825481509488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1825481509488 is an abundant number, since it is smaller than the sum of its proper divisors (4832157749328).

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

1825481509488 is a wasteful number, since it uses less digits than its factorization.

1825481509488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8194592 (or 8194583 counting only the distinct ones).

The product of its (nonzero) digits is 29491200, while the sum is 63.

The spelling of 1825481509488 in words is "one trillion, eight hundred twenty-five billion, four hundred eighty-one million, five hundred nine thousand, four hundred eighty-eight".