1027390000 has 200 divisors, whose sum is σ = 3064144160. Its totient is φ = 324864000.

The previous prime is 1027389977. The next prime is 1027390009. The reversal of 1027390000 is 937201.

It is a tau number, because it is divible by the number of its divisors (200).

It is not an unprimeable number, because it can be changed into a prime (1027390009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 909436 + ... + 910564.

Almost surely, 2^1027390000 is an apocalyptic number.

1027390000 is a gapful number since it is divisible by the number (10) 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 1027390000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532072080).

1027390000 is an abundant number, since it is smaller than the sum of its proper divisors (2036754160).

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

1027390000 is a wasteful number, since it uses less digits than its factorization.

1027390000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177 (or 1156 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 1027390000 is about 32052.9249835331. The cubic root of 1027390000 is about 1009.0478888084.

The spelling of 1027390000 in words is "one billion, twenty-seven million, three hundred ninety thousand".