64470071480 has 16 divisors (see below), whose sum is σ = 145057660920. Its totient is φ = 25788028576.

The previous prime is 64470071473. The next prime is 64470071509. The reversal of 64470071480 is 8417007446.

64470071480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 805875854 + ... + 805875933.

Almost surely, 2^64470071480 is an apocalyptic number.

It is an amenable number.

64470071480 is an abundant number, since it is smaller than the sum of its proper divisors (80587589440).

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

64470071480 is a wasteful number, since it uses less digits than its factorization.

64470071480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611751798 (or 1611751794 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The spelling of 64470071480 in words is "sixty-four billion, four hundred seventy million, seventy-one thousand, four hundred eighty".