1425484581900 has 144 divisors (see below), whose sum is σ = 4135691861280. Its totient is φ = 379089920000.

The previous prime is 1425484581887. The next prime is 1425484581901. The reversal of 1425484581900 is 91854845241.

It is a happy number.

It is a super-2 number, since 2×1425484581900² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1425484581901) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 259129150 + ... + 259134650.

It is an arithmetic number, because the mean of its divisors is an integer number (28720082370).

Almost surely, 2^{1425484581900} is an apocalyptic number.

1425484581900 is a gapful number since it is divisible by the number (10) 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 1425484581900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2067845930640).

1425484581900 is an abundant number, since it is smaller than the sum of its proper divisors (2710207279380).

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

1425484581900 is a wasteful number, since it uses less digits than its factorization.

1425484581900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7724 (or 7717 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 51.

The spelling of 1425484581900 in words is "one trillion, four hundred twenty-five billion, four hundred eighty-four million, five hundred eighty-one thousand, nine hundred".