1425885552 has 640 divisors, whose sum is σ = 5599641600. Its totient is φ = 336669696.

The previous prime is 1425885541. The next prime is 1425885563. The reversal of 1425885552 is 2555885241.

1425885552 is a `hidden beast` number, since 1 + 42 + 58 + 8 + 5 + 552 = 666.

It is an interprime number because it is at equal distance from previous prime (1425885541) and next prime (1425885563).

It is a junction number, because it is equal to n+sod(n) for n = 1425885498 and 1425885507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17179303 + ... + 17179385.

It is an arithmetic number, because the mean of its divisors is an integer number (8749440).

Almost surely, 2^1425885552 is an apocalyptic number.

1425885552 is a gapful number since it is divisible by the number (12) 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 1425885552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2799820800).

1425885552 is an abundant number, since it is smaller than the sum of its proper divisors (4173756048).

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

1425885552 is a wasteful number, since it uses less digits than its factorization.

1425885552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 150 counting only the distinct ones).

The product of its digits is 640000, while the sum is 45.

The square root of 1425885552 is about 37760.8997774153. The cubic root of 1425885552 is about 1125.5416129852.

The spelling of 1425885552 in words is "one billion, four hundred twenty-five million, eight hundred eighty-five thousand, five hundred fifty-two".