1238766480 has 160 divisors (see below), whose sum is σ = 4876473600. Its totient is φ = 283143168.

The previous prime is 1238766461. The next prime is 1238766547. The reversal of 1238766480 is 846678321.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25845 + ... + 56084.

It is an arithmetic number, because the mean of its divisors is an integer number (30477960).

Almost surely, 2^1238766480 is an apocalyptic number.

1238766480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1238766480 is an abundant number, since it is smaller than the sum of its proper divisors (3637707120).

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

1238766480 is a wasteful number, since it uses less digits than its factorization.

1238766480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81958 (or 81946 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 1238766480 is about 35196.1145582861. The cubic root of 1238766480 is about 1073.9807118661.

The spelling of 1238766480 in words is "one billion, two hundred thirty-eight million, seven hundred sixty-six thousand, four hundred eighty".