426993480 has 96 divisors (see below), whose sum is σ = 1395608760. Its totient is φ = 113218560.

The previous prime is 426993433. The next prime is 426993481. The reversal of 426993480 is 84399624.

It can be written as a sum of positive squares in 4 ways, for example, as 170929476 + 256064004 = 13074^2 + 16002^2 .

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

It is not an unprimeable number, because it can be changed into a prime (426993481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61884 + ... + 68436.

Almost surely, 2^426993480 is an apocalyptic number.

426993480 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 426993480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (697804380).

426993480 is an abundant number, since it is smaller than the sum of its proper divisors (968615280).

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

426993480 is a wasteful number, since it uses less digits than its factorization.

426993480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6751 (or 6744 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 426993480 is about 20663.8205567122. The cubic root of 426993480 is about 753.0209884998.

The spelling of 426993480 in words is "four hundred twenty-six million, nine hundred ninety-three thousand, four hundred eighty".