456744877428 has 48 divisors (see below), whose sum is σ = 1240967226240. Its totient is φ = 128036298624.

The previous prime is 456744877423. The next prime is 456744877451. The reversal of 456744877428 is 824778447654.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456744877423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51292143 + ... + 51301046.

It is an arithmetic number, because the mean of its divisors is an integer number (25853483880).

Almost surely, 2^456744877428 is an apocalyptic number.

It is an amenable number.

456744877428 is an abundant number, since it is smaller than the sum of its proper divisors (784222348812).

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

456744877428 is a wasteful number, since it uses less digits than its factorization.

456744877428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102593256 (or 102593254 counting only the distinct ones).

The product of its digits is 337182720, while the sum is 66.

The spelling of 456744877428 in words is "four hundred fifty-six billion, seven hundred forty-four million, eight hundred seventy-seven thousand, four hundred twenty-eight".