426530040 has 64 divisors (see below), whose sum is σ = 1298712960. Its totient is φ = 112041600.

The previous prime is 426530003. The next prime is 426530053. The reversal of 426530040 is 40035624.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18486 + ... + 34565.

It is an arithmetic number, because the mean of its divisors is an integer number (20292390).

Almost surely, 2^426530040 is an apocalyptic number.

426530040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426530040 is an abundant number, since it is smaller than the sum of its proper divisors (872182920).

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

426530040 is a wasteful number, since it uses less digits than its factorization.

426530040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53132 (or 53128 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 426530040 is about 20652.6037099442. The cubic root of 426530040 is about 752.7484578912.

Adding to 426530040 its reverse (40035624), we get a palindrome (466565664).

The spelling of 426530040 in words is "four hundred twenty-six million, five hundred thirty thousand, forty".