40779351 has 12 divisors (see below), whose sum is σ = 60273928. Its totient is φ = 26553744.

The previous prime is 40779331. The next prime is 40779367. The reversal of 40779351 is 15397704.

It is a happy number.

It is not a de Polignac number, because 40779351 - 2¹⁰ = 40778327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40779331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52300 + ... + 53073.

Almost surely, 2^40779351 is an apocalyptic number.

40779351 is a deficient number, since it is larger than the sum of its proper divisors (19494577).

40779351 is a wasteful number, since it uses less digits than its factorization.

40779351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105422 (or 105419 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 40779351 is about 6385.8712013319. The cubic root of 40779351 is about 344.2020373244.

The spelling of 40779351 in words is "forty million, seven hundred seventy-nine thousand, three hundred fifty-one".