40055446 has 8 divisors (see below), whose sum is σ = 61480584. Its totient is φ = 19561920.

The previous prime is 40055437. The next prime is 40055453. The reversal of 40055446 is 64455004.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232795 + ... + 232966.

It is an arithmetic number, because the mean of its divisors is an integer number (7685073).

Almost surely, 2^40055446 is an apocalyptic number.

40055446 is a deficient number, since it is larger than the sum of its proper divisors (21425138).

40055446 is a wasteful number, since it uses less digits than its factorization.

40055446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465806.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 40055446 is about 6328.9371935579. The cubic root of 40055446 is about 342.1531352561.

The spelling of 40055446 in words is "forty million, fifty-five thousand, four hundred forty-six".