426408572376 has 144 divisors (see below), whose sum is σ = 1196287806600. Its totient is φ = 140731815744.

The previous prime is 426408572323. The next prime is 426408572377. The reversal of 426408572376 is 673275804624.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

426408572376 is a `hidden beast` number, since 4 + 2 + 64 + 0 + 8 + 572 + 3 + 7 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426408572377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1506743931 + ... + 1506744213.

Almost surely, 2^426408572376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426408572376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598143903300).

426408572376 is an abundant number, since it is smaller than the sum of its proper divisors (769879234224).

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

426408572376 is an equidigital number, since it uses as much as digits as its factorization.

426408572376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 54.

Multiplying 426408572376 by its sum of digits (54), we get a square (23026062908304 = 4798548²).

426408572376 divided by its sum of digits (54) gives a square (7896455044 = 88862²).

The spelling of 426408572376 in words is "four hundred twenty-six billion, four hundred eight million, five hundred seventy-two thousand, three hundred seventy-six".