457138169775 has 144 divisors (see below), whose sum is σ = 1019528039680. Its totient is φ = 196684070400.

The previous prime is 457138169773. The next prime is 457138169801. The reversal of 457138169775 is 577961831754.

457138169775 is a `hidden beast` number, since 457 + 13 + 8 + 16 + 97 + 75 = 666.

It is not a de Polignac number, because 457138169775 - 2¹ = 457138169773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457138169773) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1198140 + ... + 1532910.

Almost surely, 2^457138169775 is an apocalyptic number.

457138169775 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

457138169775 is an abundant number, since it is smaller than the sum of its proper divisors (562389869905).

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

457138169775 is a wasteful number, since it uses less digits than its factorization.

457138169775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334831 (or 334803 counting only the distinct ones).

The product of its digits is 44452800, while the sum is 63.

The spelling of 457138169775 in words is "four hundred fifty-seven billion, one hundred thirty-eight million, one hundred sixty-nine thousand, seven hundred seventy-five".