240529428 has 36 divisors (see below), whose sum is σ = 613592980. Its totient is φ = 79439616.

The previous prime is 240529381. The next prime is 240529439. The reversal of 240529428 is 824925042.

It can be written as a sum of positive squares in 2 ways, for example, as 116251524 + 124277904 = 10782^2 + 11148^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 240529392 and 240529401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26725 + ... + 34572.

Almost surely, 2^240529428 is an apocalyptic number.

It is an amenable number.

240529428 is an abundant number, since it is smaller than the sum of its proper divisors (373063552).

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

240529428 is a wasteful number, since it uses less digits than its factorization.

240529428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61416 (or 61411 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 240529428 is about 15509.0111870486. The cubic root of 240529428 is about 621.9031255614.

The spelling of 240529428 in words is "two hundred forty million, five hundred twenty-nine thousand, four hundred twenty-eight".