623204666460 has 72 divisors (see below), whose sum is σ = 1890685401696. Its totient is φ = 166161720960.

The previous prime is 623204666453. The next prime is 623204666471. The reversal of 623204666460 is 64666402326.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 886177 + ... + 1425383.

It is an arithmetic number, because the mean of its divisors is an integer number (26259519468).

Almost surely, 2^623204666460 is an apocalyptic number.

623204666460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

623204666460 is an abundant number, since it is smaller than the sum of its proper divisors (1267480735236).

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

623204666460 is a wasteful number, since it uses less digits than its factorization.

623204666460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545643 (or 545638 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 45.

The spelling of 623204666460 in words is "six hundred twenty-three billion, two hundred four million, six hundred sixty-six thousand, four hundred sixty".