1425553680 has 40 divisors (see below), whose sum is σ = 4419217152. Its totient is φ = 380147584.

The previous prime is 1425553651. The next prime is 1425553687. The reversal of 1425553680 is 863555241.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1425553687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2969664 + ... + 2970143.

Almost surely, 2^1425553680 is an apocalyptic number.

1425553680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1425553680 is an abundant number, since it is smaller than the sum of its proper divisors (2993663472).

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

1425553680 is a wasteful number, since it uses less digits than its factorization.

1425553680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5939823 (or 5939817 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 1425553680 is about 37756.5051348771. The cubic root of 1425553680 is about 1125.4542836925.

The spelling of 1425553680 in words is "one billion, four hundred twenty-five million, five hundred fifty-three thousand, six hundred eighty".