1234792480 has 48 divisors (see below), whose sum is σ = 2928645720. Its totient is φ = 491978752.

The previous prime is 1234792477. The next prime is 1234792487. The reversal of 1234792480 is 842974321.

It can be written as a sum of positive squares in 4 ways, for example, as 1185287184 + 49505296 = 34428^2 + 7036^2 .

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 (1234792487) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 26106 + ... + 56134.

Almost surely, 2^1234792480 is an apocalyptic number.

1234792480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1234792480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1464322860).

1234792480 is an abundant number, since it is smaller than the sum of its proper divisors (1693853240).

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

1234792480 is a wasteful number, since it uses less digits than its factorization.

1234792480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30301 (or 30293 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 1234792480 is about 35139.6141128499. The cubic root of 1234792480 is about 1072.8310274755.

The spelling of 1234792480 in words is "one billion, two hundred thirty-four million, seven hundred ninety-two thousand, four hundred eighty".