40779446 has 16 divisors (see below), whose sum is σ = 63651840. Its totient is φ = 19572840.

The previous prime is 40779433. The next prime is 40779463. The reversal of 40779446 is 64497704.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5285 + ... + 10463.

It is an arithmetic number, because the mean of its divisors is an integer number (3978240).

Almost surely, 2^40779446 is an apocalyptic number.

40779446 is a deficient number, since it is larger than the sum of its proper divisors (22872394).

40779446 is a wasteful number, since it uses less digits than its factorization.

40779446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5339.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 40779446 is about 6385.8786396235. The cubic root of 40779446 is about 344.2023046097.

The spelling of 40779446 in words is "forty million, seven hundred seventy-nine thousand, four hundred forty-six".