40545626 has 16 divisors (see below), whose sum is σ = 67474080. Its totient is φ = 18116880.

The previous prime is 40545623. The next prime is 40545647. The reversal of 40545626 is 62654504.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40545592 and 40545601.

It is not an unprimeable number, because it can be changed into a prime (40545623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14321 + ... + 16916.

It is an arithmetic number, because the mean of its divisors is an integer number (4217130).

Almost surely, 2^40545626 is an apocalyptic number.

40545626 is a deficient number, since it is larger than the sum of its proper divisors (26928454).

40545626 is a wasteful number, since it uses less digits than its factorization.

40545626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31309.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 40545626 is about 6367.5447387514. The cubic root of 40545626 is about 343.5431842011.

The spelling of 40545626 in words is "forty million, five hundred forty-five thousand, six hundred twenty-six".