40625146 has 8 divisors (see below), whose sum is σ = 61936884. Its totient is φ = 19979520.

The previous prime is 40625119. The next prime is 40625147. The reversal of 40625146 is 64152604.

It can be written as a sum of positive squares in 2 ways, for example, as 40386025 + 239121 = 6355^2 + 489^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40625147) 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 3 ways as a sum of consecutive naturals, for example, 166375 + ... + 166618.

Almost surely, 2^40625146 is an apocalyptic number.

40625146 is a deficient number, since it is larger than the sum of its proper divisors (21311738).

40625146 is a wasteful number, since it uses less digits than its factorization.

40625146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333056.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 40625146 is about 6373.7858451630. The cubic root of 40625146 is about 343.7676285835.

It can be divided in two parts, 406 and 25146, that added together give a palindrome (25552).

The spelling of 40625146 in words is "forty million, six hundred twenty-five thousand, one hundred forty-six".