1240484880 has 40 divisors (see below), whose sum is σ = 3845503872. Its totient is φ = 330795904.

The previous prime is 1240484827. The next prime is 1240484893. The reversal of 1240484880 is 884840421.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1240484880² = 3077605475017228800, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 2584104 + ... + 2584583.

Almost surely, 2^1240484880 is an apocalyptic number.

1240484880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1240484880 is an abundant number, since it is smaller than the sum of its proper divisors (2605018992).

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

1240484880 is a wasteful number, since it uses less digits than its factorization.

1240484880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5168703 (or 5168697 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 39.

The square root of 1240484880 is about 35220.5178837563. The cubic root of 1240484880 is about 1074.4770862240.

The spelling of 1240484880 in words is "one billion, two hundred forty million, four hundred eighty-four thousand, eight hundred eighty".