423951277680 has 480 divisors, whose sum is σ = 1673379646848. Its totient is φ = 94158028800.

The previous prime is 423951277663. The next prime is 423951277709. The reversal of 423951277680 is 86772159324.

It is a happy number.

423951277680 is a `hidden beast` number, since 42 + 3 + 9 + 512 + 7 + 7 + 6 + 80 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 246339220 + ... + 246340940.

It is a 1-persistent number, because it is pandigital, but 2⋅423951277680 = 847902555360 is not.

Almost surely, 2^423951277680 is an apocalyptic number.

423951277680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423951277680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (836689823424).

423951277680 is an abundant number, since it is smaller than the sum of its proper divisors (1249428369168).

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

423951277680 is a wasteful number, since it uses less digits than its factorization.

423951277680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105 (or 3096 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 423951277680 in words is "four hundred twenty-three billion, nine hundred fifty-one million, two hundred seventy-seven thousand, six hundred eighty".