1425437456 has 40 divisors (see below), whose sum is σ = 2918116800. Its totient is φ = 672658560.

The previous prime is 1425437449. The next prime is 1425437473. The reversal of 1425437456 is 6547345241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73061 + ... + 90491.

It is an arithmetic number, because the mean of its divisors is an integer number (72952920).

Almost surely, 2^1425437456 is an apocalyptic number.

1425437456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1425437456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1459058400).

1425437456 is an abundant number, since it is smaller than the sum of its proper divisors (1492679344).

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

1425437456 is a wasteful number, since it uses less digits than its factorization.

1425437456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17727 (or 17721 counting only the distinct ones).

The product of its digits is 403200, while the sum is 41.

The square root of 1425437456 is about 37754.9659780008. The cubic root of 1425437456 is about 1125.4236971316.

The spelling of 1425437456 in words is "one billion, four hundred twenty-five million, four hundred thirty-seven thousand, four hundred fifty-six".