426040425 has 24 divisors (see below), whose sum is σ = 782653280. Its totient is φ = 227221200.

The previous prime is 426040403. The next prime is 426040429. The reversal of 426040425 is 524040624.

It is not a de Polignac number, because 426040425 - 2⁷ = 426040297 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (426040429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 314911 + ... + 316260.

Almost surely, 2^426040425 is an apocalyptic number.

426040425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

426040425 is a deficient number, since it is larger than the sum of its proper divisors (356612855).

426040425 is a wasteful number, since it uses less digits than its factorization.

426040425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631190 (or 631179 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 426040425 is about 20640.7467161438. The cubic root of 426040425 is about 752.4603202735.

The spelling of 426040425 in words is "four hundred twenty-six million, forty thousand, four hundred twenty-five".