155827040 has 24 divisors (see below), whose sum is σ = 368141760. Its totient is φ = 62330752.

The previous prime is 155827039. The next prime is 155827057. The reversal of 155827040 is 40728551.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 155826988 and 155827006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486800 + ... + 487119.

It is an arithmetic number, because the mean of its divisors is an integer number (15339240).

Almost surely, 2^155827040 is an apocalyptic number.

155827040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155827040 is an abundant number, since it is smaller than the sum of its proper divisors (212314720).

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

155827040 is an equidigital number, since it uses as much as digits as its factorization.

155827040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973934 (or 973926 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 155827040 is about 12483.0701351871. The cubic root of 155827040 is about 538.1222388225.

It can be divided in two parts, 15582 and 7040, that added together give a palindrome (22622).

The spelling of 155827040 in words is "one hundred fifty-five million, eight hundred twenty-seven thousand, forty".