457157347044 has 12 divisors (see below), whose sum is σ = 1066700476464. Its totient is φ = 152385782344.

The previous prime is 457157347043. The next prime is 457157347051. The reversal of 457157347044 is 440743751754.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (457157347043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19048222782 + ... + 19048222805.

It is an arithmetic number, because the mean of its divisors is an integer number (88891706372).

Almost surely, 2^457157347044 is an apocalyptic number.

It is an amenable number.

457157347044 is an abundant number, since it is smaller than the sum of its proper divisors (609543129420).

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

457157347044 is a wasteful number, since it uses less digits than its factorization.

457157347044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38096445594 (or 38096445592 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 51.

The spelling of 457157347044 in words is "four hundred fifty-seven billion, one hundred fifty-seven million, three hundred forty-seven thousand, forty-four".