1457422408 has 64 divisors (see below), whose sum is σ = 3072006000. Its totient is φ = 643768320.

The previous prime is 1457422403. The next prime is 1457422433. The reversal of 1457422408 is 8042247541.

It can be written as a sum of positive squares in 8 ways, for example, as 645058404 + 812364004 = 25398^2 + 28502^2 .

It is not an unprimeable number, because it can be changed into a prime (1457422403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222768 + ... + 229216.

Almost surely, 2^1457422408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1457422408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1536003000).

1457422408 is an abundant number, since it is smaller than the sum of its proper divisors (1614583592).

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

1457422408 is a wasteful number, since it uses less digits than its factorization.

1457422408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6562 (or 6558 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 37.

The square root of 1457422408 is about 38176.2021159780. The cubic root of 1457422408 is about 1133.7791884370.

Adding to 1457422408 its reverse (8042247541), we get a palindrome (9499669949).

The spelling of 1457422408 in words is "one billion, four hundred fifty-seven million, four hundred twenty-two thousand, four hundred eight".