1456678380 has 24 divisors (see below), whose sum is σ = 4078699632. Its totient is φ = 388447552.

The previous prime is 1456678373. The next prime is 1456678409. The reversal of 1456678380 is 838766541.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12138927 + ... + 12139046.

It is an arithmetic number, because the mean of its divisors is an integer number (169945818).

Almost surely, 2^1456678380 is an apocalyptic number.

1456678380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1456678380 is an abundant number, since it is smaller than the sum of its proper divisors (2622021252).

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

1456678380 is a wasteful number, since it uses less digits than its factorization.

1456678380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24277985 (or 24277983 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 1456678380 is about 38166.4562148492. The cubic root of 1456678380 is about 1133.5862205764.

The spelling of 1456678380 in words is "one billion, four hundred fifty-six million, six hundred seventy-eight thousand, three hundred eighty".