426983040 has 384 divisors, whose sum is σ = 1684126080. Its totient is φ = 98672640.

The previous prime is 426982973. The next prime is 426983069. The reversal of 426983040 is 40389624.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 426982986 and 426983004.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1457134 + ... + 1457426.

It is an arithmetic number, because the mean of its divisors is an integer number (4385745).

Almost surely, 2^426983040 is an apocalyptic number.

426983040 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 426983040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (842063040).

426983040 is an abundant number, since it is smaller than the sum of its proper divisors (1257143040).

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

426983040 is a wasteful number, since it uses less digits than its factorization.

426983040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 426983040 is about 20663.5679397339. The cubic root of 426983040 is about 753.0148513232.

The spelling of 426983040 in words is "four hundred twenty-six million, nine hundred eighty-three thousand, forty".