1425555344 has 10 divisors (see below), whose sum is σ = 2762013510. Its totient is φ = 712777664.

The previous prime is 1425555337. The next prime is 1425555353. The reversal of 1425555344 is 4435555241.

It can be written as a sum of positive squares in only one way, i.e., 811110400 + 614444944 = 28480^2 + 24788^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1425555298 and 1425555307.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44548589 + ... + 44548620.

It is an arithmetic number, because the mean of its divisors is an integer number (276201351).

Almost surely, 2^1425555344 is an apocalyptic number.

It is an amenable number.

1425555344 is a deficient number, since it is larger than the sum of its proper divisors (1336458166).

1425555344 is an equidigital number, since it uses as much as digits as its factorization.

1425555344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89097217 (or 89097211 counting only the distinct ones).

The product of its digits is 240000, while the sum is 38.

The square root of 1425555344 is about 37756.5271708085. The cubic root of 1425555344 is about 1125.4547215938.

The spelling of 1425555344 in words is "one billion, four hundred twenty-five million, five hundred fifty-five thousand, three hundred forty-four".