1027609960 has 32 divisors (see below), whose sum is σ = 2489979240. Its totient is φ = 379425024.

The previous prime is 1027609907. The next prime is 1027609963. The reversal of 1027609960 is 699067201.

It can be written as a sum of positive squares in 4 ways, for example, as 428241636 + 599368324 = 20694^2 + 24482^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (1027609963) 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, 987567 + ... + 988606.

Almost surely, 2^1027609960 is an apocalyptic number.

1027609960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1027609960 is an abundant number, since it is smaller than the sum of its proper divisors (1462369280).

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

1027609960 is a wasteful number, since it uses less digits than its factorization.

1027609960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976197 (or 1976193 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 1027609960 is about 32056.3560000197. The cubic root of 1027609960 is about 1009.1198946796.

The spelling of 1027609960 in words is "one billion, twenty-seven million, six hundred nine thousand, nine hundred sixty".