1002854000 has 40 divisors (see below), whose sum is σ = 2424905808. Its totient is φ = 401140800.

The previous prime is 1002853921. The next prime is 1002854009. The reversal of 1002854000 is 4582001.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1002854000² = 2011432290632000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002854009) 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, 248714 + ... + 252713.

Almost surely, 2^1002854000 is an apocalyptic number.

1002854000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002854000 is an abundant number, since it is smaller than the sum of its proper divisors (1422051808).

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

1002854000 is an equidigital number, since it uses as much as digits as its factorization.

1002854000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501450 (or 501434 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1002854000 is about 31667.8701525695. The cubic root of 1002854000 is about 1000.9504297305.

The spelling of 1002854000 in words is "one billion, two million, eight hundred fifty-four thousand".