1157776230 has 64 divisors (see below), whose sum is σ = 2995937280. Its totient is φ = 284654976.

The previous prime is 1157776181. The next prime is 1157776241. The reversal of 1157776230 is 326777511.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 560179 + ... + 562241.

It is an arithmetic number, because the mean of its divisors is an integer number (46811520).

Almost surely, 2^1157776230 is an apocalyptic number.

1157776230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1157776230 is an abundant number, since it is smaller than the sum of its proper divisors (1838161050).

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

1157776230 is a wasteful number, since it uses less digits than its factorization.

1157776230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525.

The product of its (nonzero) digits is 61740, while the sum is 39.

The square root of 1157776230 is about 34026.1110031693. Note that the first 3 decimals coincide. The cubic root of 1157776230 is about 1050.0457213651.

The spelling of 1157776230 in words is "one billion, one hundred fifty-seven million, seven hundred seventy-six thousand, two hundred thirty".