1424840628 has 48 divisors (see below), whose sum is σ = 3524864000. Its totient is φ = 446702688.

The previous prime is 1424840621. The next prime is 1424840653. The reversal of 1424840628 is 8260484241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424840621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9213 + ... + 54171.

Almost surely, 2^1424840628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1424840628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1762432000).

1424840628 is an abundant number, since it is smaller than the sum of its proper divisors (2100023372).

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

1424840628 is a wasteful number, since it uses less digits than its factorization.

1424840628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45124 (or 45122 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 39.

The square root of 1424840628 is about 37747.0611836206. The cubic root of 1424840628 is about 1125.2666042715.

The spelling of 1424840628 in words is "one billion, four hundred twenty-four million, eight hundred forty thousand, six hundred twenty-eight".