1425371904 has 216 divisors, whose sum is σ = 4651588032. Its totient is φ = 431723520.

The previous prime is 1425371903. The next prime is 1425371911. The reversal of 1425371904 is 4091735241.

It is a tau number, because it is divible by the number of its divisors (216).

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

It is not an unprimeable number, because it can be changed into a prime (1425371903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 683247 + ... + 685329.

Almost surely, 2^1425371904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1425371904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2325794016).

1425371904 is an abundant number, since it is smaller than the sum of its proper divisors (3226216128).

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

1425371904 is an equidigital number, since it uses as much as digits as its factorization.

1425371904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125 (or 2099 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1425371904 is about 37754.0978438103. The cubic root of 1425371904 is about 1125.4064451400.

It can be divided in two parts, 142537 and 1904, that added together give a palindrome (144441).

The spelling of 1425371904 in words is "one billion, four hundred twenty-five million, three hundred seventy-one thousand, nine hundred four".