1425835428 has 24 divisors (see below), whose sum is σ = 3397736832. Its totient is φ = 465165984.

The previous prime is 1425835403. The next prime is 1425835429. The reversal of 1425835428 is 8245385241.

It is a super-4 number, since 4×1425835428⁴ (a number of 38 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1425835428.

It is not an unprimeable number, because it can be changed into a prime (1425835429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1263475 + ... + 1264602.

It is an arithmetic number, because the mean of its divisors is an integer number (141572368).

Almost surely, 2^1425835428 is an apocalyptic number.

It is an amenable number.

1425835428 is an abundant number, since it is smaller than the sum of its proper divisors (1971901404).

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

1425835428 is a wasteful number, since it uses less digits than its factorization.

1425835428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528131 (or 2528129 counting only the distinct ones).

The product of its digits is 307200, while the sum is 42.

The square root of 1425835428 is about 37760.2360691773. The cubic root of 1425835428 is about 1125.5284241499.

The spelling of 1425835428 in words is "one billion, four hundred twenty-five million, eight hundred thirty-five thousand, four hundred twenty-eight".