1425526128 has 200 divisors, whose sum is σ = 4475453136. Its totient is φ = 435456000.

The previous prime is 1425526127. The next prime is 1425526133. The reversal of 1425526128 is 8216255241.

1425526128 is a `hidden beast` number, since 1 + 4 + 2 + 5 + 526 + 128 = 666.

It is a super-2 number, since 2×1425526128² = 4064249483221344768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1425526092 and 1425526101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425526127) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3554728 + ... + 3555128.

Almost surely, 2^1425526128 is an apocalyptic number.

1425526128 is a gapful number since it is divisible by the number (18) 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 1425526128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2237726568).

1425526128 is an abundant number, since it is smaller than the sum of its proper divisors (3049927008).

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

1425526128 is a wasteful number, since it uses less digits than its factorization.

1425526128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 630 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 1425526128 is about 37756.1402688357. The cubic root of 1425526128 is about 1125.4470330089.

The spelling of 1425526128 in words is "one billion, four hundred twenty-five million, five hundred twenty-six thousand, one hundred twenty-eight".