40425407 has 8 divisors (see below), whose sum is σ = 46421760. Its totient is φ = 34815960.

The previous prime is 40425397. The next prime is 40425409. The reversal of 40425407 is 70452404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40425407 is a prime.

It is a super-2 number, since 2×40425407² = 3268427062231298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40425409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96503 + ... + 96920.

It is an arithmetic number, because the mean of its divisors is an integer number (5802720).

Almost surely, 2^40425407 is an apocalyptic number.

40425407 is a deficient number, since it is larger than the sum of its proper divisors (5996353).

40425407 is a wasteful number, since it uses less digits than its factorization.

40425407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193453.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 40425407 is about 6358.0977501136. The cubic root of 40425407 is about 343.2033094435.

It can be divided in two parts, 4042 and 5407, that added together give a palindrome (9449).

The spelling of 40425407 in words is "forty million, four hundred twenty-five thousand, four hundred seven".