140824428 has 24 divisors (see below), whose sum is σ = 345885120. Its totient is φ = 44470800.

The previous prime is 140824427. The next prime is 140824451. The reversal of 140824428 is 824428041.

140824428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140824427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308598 + ... + 309053.

It is an arithmetic number, because the mean of its divisors is an integer number (14411880).

Almost surely, 2^140824428 is an apocalyptic number.

It is an amenable number.

140824428 is an abundant number, since it is smaller than the sum of its proper divisors (205060692).

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

140824428 is a wasteful number, since it uses less digits than its factorization.

140824428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617677 (or 617675 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 33.

The square root of 140824428 is about 11866.9468693510. The cubic root of 140824428 is about 520.2666630310.

The spelling of 140824428 in words is "one hundred forty million, eight hundred twenty-four thousand, four hundred twenty-eight".