1027005390 has 24 divisors (see below), whose sum is σ = 2670214248. Its totient is φ = 273868080.

The previous prime is 1027005379. The next prime is 1027005437. The reversal of 1027005390 is 935007201.

1027005390 is a `hidden beast` number, since 1 + 0 + 270 + 0 + 5 + 390 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5705496 + ... + 5705675.

It is an arithmetic number, because the mean of its divisors is an integer number (111258927).

Almost surely, 2^1027005390 is an apocalyptic number.

1027005390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1027005390 is an abundant number, since it is smaller than the sum of its proper divisors (1643208858).

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

1027005390 is a wasteful number, since it uses less digits than its factorization.

1027005390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11411184 (or 11411181 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 1027005390 is about 32046.9248134669. The cubic root of 1027005390 is about 1008.9219585883.

The spelling of 1027005390 in words is "one billion, twenty-seven million, five thousand, three hundred ninety".