1425808005660 has 72 divisors (see below), whose sum is σ = 4512992309280. Its totient is φ = 363684359808.

The previous prime is 1425808005649. The next prime is 1425808005667. The reversal of 1425808005660 is 665008085241.

1425808005660 is a `hidden beast` number, since 1 + 4 + 2 + 5 + 8 + 0 + 80 + 0 + 566 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425808005667) 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, 172194895 + ... + 172203174.

It is an arithmetic number, because the mean of its divisors is an integer number (62680448740).

Almost surely, 2^{1425808005660} is an apocalyptic number.

1425808005660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1425808005660 is an abundant number, since it is smaller than the sum of its proper divisors (3087184303620).

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

1425808005660 is a wasteful number, since it uses less digits than its factorization.

1425808005660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344398107 (or 344398102 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 1425808005660 in words is "one trillion, four hundred twenty-five billion, eight hundred eight million, five thousand, six hundred sixty".