1002556324 has 48 divisors (see below), whose sum is σ = 2193730560. Its totient is φ = 389475360.

The previous prime is 1002556319. The next prime is 1002556333. The reversal of 1002556324 is 4236552001.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1002556292 and 1002556301.

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, 106039 + ... + 115105.

It is an arithmetic number, because the mean of its divisors is an integer number (45702720).

Almost surely, 2^1002556324 is an apocalyptic number.

1002556324 is a gapful number since it is divisible by the number (14) 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 1002556324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1096865280).

1002556324 is an abundant number, since it is smaller than the sum of its proper divisors (1191174236).

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

1002556324 is a wasteful number, since it uses less digits than its factorization.

1002556324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9448 (or 9446 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1002556324 is about 31663.1698349991. The cubic root of 1002556324 is about 1000.8513829414.

The spelling of 1002556324 in words is "one billion, two million, five hundred fifty-six thousand, three hundred twenty-four".