1002475540 has 24 divisors (see below), whose sum is σ = 2296580832. Its totient is φ = 364536480.

The previous prime is 1002475519. The next prime is 1002475553. The reversal of 1002475540 is 455742001.

It is a junction number, because it is equal to n+sod(n) for n = 1002475499 and 1002475508.

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 7 ways as a sum of consecutive naturals, for example, 2278134 + ... + 2278573.

It is an arithmetic number, because the mean of its divisors is an integer number (95690868).

Almost surely, 2^1002475540 is an apocalyptic number.

1002475540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002475540 is an abundant number, since it is smaller than the sum of its proper divisors (1294105292).

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

1002475540 is a wasteful number, since it uses less digits than its factorization.

1002475540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4556727 (or 4556725 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 1002475540 is about 31661.8941315898. The cubic root of 1002475540 is about 1000.8245000129.

The spelling of 1002475540 in words is "one billion, two million, four hundred seventy-five thousand, five hundred forty".