1425065203440 has 480 divisors, whose sum is σ = 5207358404160. Its totient is φ = 358150367232.

The previous prime is 1425065203427. The next prime is 1425065203511. The reversal of 1425065203440 is 443025605241.

1425065203440 is a `hidden beast` number, since 1 + 4 + 2 + 5 + 0 + 6 + 5 + 203 + 440 = 666.

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 = 1425065203395 and 1425065203404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 153608082 + ... + 153617358.

It is an arithmetic number, because the mean of its divisors is an integer number (10848663342).

Almost surely, 2^{1425065203440} is an apocalyptic number.

1425065203440 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 1425065203440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2603679202080).

1425065203440 is an abundant number, since it is smaller than the sum of its proper divisors (3782293200720).

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

1425065203440 is a wasteful number, since it uses less digits than its factorization.

1425065203440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9534 (or 9503 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 1425065203440 in words is "one trillion, four hundred twenty-five billion, sixty-five million, two hundred three thousand, four hundred forty".