426066940 has 24 divisors (see below), whose sum is σ = 963567360. Its totient is φ = 157316928.

The previous prime is 426066899. The next prime is 426066943. The reversal of 426066940 is 49660624.

It is a self number, because there is not a number n which added to its sum of digits gives 426066940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426066943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819100 + ... + 819619.

It is an arithmetic number, because the mean of its divisors is an integer number (40148640).

Almost surely, 2^426066940 is an apocalyptic number.

It is an amenable number.

426066940 is an abundant number, since it is smaller than the sum of its proper divisors (537500420).

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

426066940 is a wasteful number, since it uses less digits than its factorization.

426066940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638741 (or 1638739 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 426066940 is about 20641.3890036499. The cubic root of 426066940 is about 752.4759299593.

The spelling of 426066940 in words is "four hundred twenty-six million, sixty-six thousand, nine hundred forty".