426726040 has 32 divisors (see below), whose sum is σ = 1033991280. Its totient is φ = 157560192.

The previous prime is 426726037. The next prime is 426726059. The reversal of 426726040 is 40627624.

It is a super-2 number, since 2×426726040² = 364190226428163200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 426725993 and 426726011.

It is a congruent number.

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, 409794 + ... + 410833.

Almost surely, 2^426726040 is an apocalyptic number.

426726040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426726040 is an abundant number, since it is smaller than the sum of its proper divisors (607265240).

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

426726040 is a wasteful number, since it uses less digits than its factorization.

426726040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820651 (or 820647 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 426726040 is about 20657.3483293476. The cubic root of 426726040 is about 752.8637417638.

The spelling of 426726040 in words is "four hundred twenty-six million, seven hundred twenty-six thousand, forty".