40779774 has 48 divisors (see below), whose sum is σ = 104727168. Its totient is φ = 11650392.

The previous prime is 40779743. The next prime is 40779793. The reversal of 40779774 is 47797704.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2592 + ... + 9395.

It is an arithmetic number, because the mean of its divisors is an integer number (2181816).

Almost surely, 2^40779774 is an apocalyptic number.

40779774 is an abundant number, since it is smaller than the sum of its proper divisors (63947394).

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

40779774 is a wasteful number, since it uses less digits than its factorization.

40779774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12011 (or 11999 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 45.

The square root of 40779774 is about 6385.9043212375. The cubic root of 40779774 is about 344.2032274444.

The spelling of 40779774 in words is "forty million, seven hundred seventy-nine thousand, seven hundred seventy-four".