40425766 has 8 divisors (see below), whose sum is σ = 63275184. Its totient is φ = 19334040.

The previous prime is 40425761. The next prime is 40425769. The reversal of 40425766 is 66752404.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40425761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439365 + ... + 439456.

It is an arithmetic number, because the mean of its divisors is an integer number (7909398).

Almost surely, 2^40425766 is an apocalyptic number.

40425766 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40425766 is a deficient number, since it is larger than the sum of its proper divisors (22849418).

40425766 is a wasteful number, since it uses less digits than its factorization.

40425766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878846.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 40425766 is about 6358.1259817654. The cubic root of 40425766 is about 343.2043253857.

The spelling of 40425766 in words is "forty million, four hundred twenty-five thousand, seven hundred sixty-six".