457378650 has 120 divisors (see below), whose sum is σ = 1312189824. Its totient is φ = 118000800.

The previous prime is 457378631. The next prime is 457378673. The reversal of 457378650 is 56873754.

457378650 is a `hidden beast` number, since 4 + 573 + 78 + 6 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 457378596 and 457378605.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 123729 + ... + 127371.

Almost surely, 2^457378650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 457378650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (656094912).

457378650 is an abundant number, since it is smaller than the sum of its proper divisors (854811174).

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

457378650 is a wasteful number, since it uses less digits than its factorization.

457378650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3698 (or 3684 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The square root of 457378650 is about 21386.4127426738. The cubic root of 457378650 is about 770.4751382445.

The spelling of 457378650 in words is "four hundred fifty-seven million, three hundred seventy-eight thousand, six hundred fifty".