1425436660 has 24 divisors (see below), whose sum is σ = 3014958240. Its totient is φ = 566071584.

The previous prime is 1425436651. The next prime is 1425436679. The reversal of 1425436660 is 666345241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253594 + ... + 259153.

It is an arithmetic number, because the mean of its divisors is an integer number (125623260).

Almost surely, 2^1425436660 is an apocalyptic number.

1425436660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1425436660 is an abundant number, since it is smaller than the sum of its proper divisors (1589521580).

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

1425436660 is a wasteful number, since it uses less digits than its factorization.

1425436660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512895 (or 512893 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 1425436660 is about 37754.9554363397. The cubic root of 1425436660 is about 1125.4234876433.

The spelling of 1425436660 in words is "one billion, four hundred twenty-five million, four hundred thirty-six thousand, six hundred sixty".