40446030 has 32 divisors (see below), whose sum is σ = 97399584. Its totient is φ = 10749056.

The previous prime is 40446023. The next prime is 40446053. The reversal of 40446030 is 3064404.

It is a junction number, because it is equal to n+sod(n) for n = 40445988 and 40446006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7384 + ... + 11636.

It is an arithmetic number, because the mean of its divisors is an integer number (3043737).

Almost surely, 2^40446030 is an apocalyptic number.

40446030 is an abundant number, since it is smaller than the sum of its proper divisors (56953554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40446030 is a wasteful number, since it uses less digits than its factorization.

40446030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4580.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 40446030 is about 6359.7193334297. The cubic root of 40446030 is about 343.2616611842.

The spelling of 40446030 in words is "forty million, four hundred forty-six thousand, thirty".