1040186380 has 12 divisors (see below), whose sum is σ = 2184391440. Its totient is φ = 416074544.

The previous prime is 1040186377. The next prime is 1040186393. The reversal of 1040186380 is 836810401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26004640 + ... + 26004679.

It is an arithmetic number, because the mean of its divisors is an integer number (182032620).

Almost surely, 2^1040186380 is an apocalyptic number.

1040186380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040186380 is an abundant number, since it is smaller than the sum of its proper divisors (1144205060).

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

1040186380 is a wasteful number, since it uses less digits than its factorization.

1040186380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52009328 (or 52009326 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1040186380 is about 32251.9205629680. The cubic root of 1040186380 is about 1013.2199234902.

Adding to 1040186380 its reverse (836810401), we get a palindrome (1876996781).

The spelling of 1040186380 in words is "one billion, forty million, one hundred eighty-six thousand, three hundred eighty".