655447015830 has 32 divisors (see below), whose sum is σ = 1573155030528. Its totient is φ = 174776738400.

The previous prime is 655447015777. The next prime is 655447015871. The reversal of 655447015830 is 38510744556.

It is a super-2 number, since 2×655447015830² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 655447015830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23085 + ... + 1145175.

It is an arithmetic number, because the mean of its divisors is an integer number (49161094704).

Almost surely, 2^655447015830 is an apocalyptic number.

655447015830 is an abundant number, since it is smaller than the sum of its proper divisors (917708014698).

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

655447015830 is a wasteful number, since it uses less digits than its factorization.

655447015830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141572.

The product of its (nonzero) digits is 2016000, while the sum is 48.

The spelling of 655447015830 in words is "six hundred fifty-five billion, four hundred forty-seven million, fifteen thousand, eight hundred thirty".