155827584983040 has 224 divisors, whose sum is σ = 498683022992640. Its totient is φ = 41548590219264.

The previous prime is 155827584983017. The next prime is 155827584983053. The reversal of 155827584983040 is 40389485728551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 987753447 + ... + 987911193.

Almost surely, 2^{155827584983040} is an apocalyptic number.

155827584983040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155827584983040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249341511496320).

155827584983040 is an abundant number, since it is smaller than the sum of its proper divisors (342855438009600).

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

155827584983040 is an equidigital number, since it uses as much as digits as its factorization.

155827584983040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165820 (or 165796 counting only the distinct ones).

The product of its (nonzero) digits is 387072000, while the sum is 69.

The spelling of 155827584983040 in words is "one hundred fifty-five trillion, eight hundred twenty-seven billion, five hundred eighty-four million, nine hundred eighty-three thousand, forty".