1522045680 has 40 divisors (see below), whose sum is σ = 4718342352. Its totient is φ = 405878784.

The previous prime is 1522045663. The next prime is 1522045687. The reversal of 1522045680 is 865402251.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1522045687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3170689 + ... + 3171168.

Almost surely, 2^1522045680 is an apocalyptic number.

1522045680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1522045680 is an abundant number, since it is smaller than the sum of its proper divisors (3196296672).

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

1522045680 is a wasteful number, since it uses less digits than its factorization.

1522045680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6341873 (or 6341867 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 1522045680 is about 39013.4038504717. The cubic root of 1522045680 is about 1150.2949917467.

The spelling of 1522045680 in words is "one billion, five hundred twenty-two million, forty-five thousand, six hundred eighty".