426940426 has 16 divisors (see below), whose sum is σ = 699739488. Its totient is φ = 193755600.

The previous prime is 426940357. The next prime is 426940453. The reversal of 426940426 is 624049624.

It is a super-2 number, since 2×426940426² = 364556254706122952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945 + ... + 29236.

It is an arithmetic number, because the mean of its divisors is an integer number (43733718).

Almost surely, 2^426940426 is an apocalyptic number.

426940426 is a deficient number, since it is larger than the sum of its proper divisors (272799062).

426940426 is a wasteful number, since it uses less digits than its factorization.

426940426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30837.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 426940426 is about 20662.5367755269. The cubic root of 426940426 is about 752.9897995534.

The spelling of 426940426 in words is "four hundred twenty-six million, nine hundred forty thousand, four hundred twenty-six".