1426457250 has 256 divisors, whose sum is σ = 4334653440. Its totient is φ = 345600000.

The previous prime is 1426457183. The next prime is 1426457257. The reversal of 1426457250 is 527546241.

It is a happy number.

1426457250 is a `hidden beast` number, since 1 + 4 + 2 + 645 + 7 + 2 + 5 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426457257) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3557050 + ... + 3557450.

It is an arithmetic number, because the mean of its divisors is an integer number (16932240).

Almost surely, 2^1426457250 is an apocalyptic number.

1426457250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1426457250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2167326720).

1426457250 is an abundant number, since it is smaller than the sum of its proper divisors (2908196190).

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

1426457250 is a wasteful number, since it uses less digits than its factorization.

1426457250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 1426457250 is about 37768.4689920044. The cubic root of 1426457250 is about 1125.6920186773.

The spelling of 1426457250 in words is "one billion, four hundred twenty-six million, four hundred fifty-seven thousand, two hundred fifty".