64470274352 has 20 divisors (see below), whose sum is σ = 136266716616. Its totient is φ = 29304670080.

The previous prime is 64470274307. The next prime is 64470274373. The reversal of 64470274352 is 25347207446.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 183154013 + ... + 183154364.

Almost surely, 2^64470274352 is an apocalyptic number.

It is an amenable number.

64470274352 is an abundant number, since it is smaller than the sum of its proper divisors (71796442264).

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

64470274352 is a wasteful number, since it uses less digits than its factorization.

64470274352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366308396 (or 366308390 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 44.

The spelling of 64470274352 in words is "sixty-four billion, four hundred seventy million, two hundred seventy-four thousand, three hundred fifty-two".