4080521456 has 20 divisors (see below), whose sum is σ = 8624738904. Its totient is φ = 1854782400.

The previous prime is 4080521399. The next prime is 4080521483. The reversal of 4080521456 is 6541250804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11592215 + ... + 11592566.

Almost surely, 2^4080521456 is an apocalyptic number.

It is an amenable number.

4080521456 is an abundant number, since it is smaller than the sum of its proper divisors (4544217448).

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

4080521456 is a wasteful number, since it uses less digits than its factorization.

4080521456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23184800 (or 23184794 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 4080521456 is about 63878.9594154445. The cubic root of 4080521456 is about 1597.9820205026.

The spelling of 4080521456 in words is "four billion, eighty million, five hundred twenty-one thousand, four hundred fifty-six".