40779375 has 80 divisors (see below), whose sum is σ = 83973120. Its totient is φ = 17136000.

The previous prime is 40779367. The next prime is 40779433. The reversal of 40779375 is 57397704.

It is not a de Polignac number, because 40779375 - 2³ = 40779367 is a prime.

It is a congruent number.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 170506 + ... + 170744.

It is an arithmetic number, because the mean of its divisors is an integer number (1049664).

Almost surely, 2^40779375 is an apocalyptic number.

40779375 is an abundant number, since it is smaller than the sum of its proper divisors (43193745).

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

40779375 is a wasteful number, since it uses less digits than its factorization.

40779375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 42.

The square root of 40779375 is about 6385.8730804801. The cubic root of 40779375 is about 344.2021048492.

The spelling of 40779375 in words is "forty million, seven hundred seventy-nine thousand, three hundred seventy-five".