40779099 has 8 divisors (see below), whose sum is σ = 60413520. Its totient is φ = 27186048.

The previous prime is 40779097. The next prime is 40779131. The reversal of 40779099 is 99097704.

It is not a de Polignac number, because 40779099 - 2¹ = 40779097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40779097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755142 + ... + 755195.

It is an arithmetic number, because the mean of its divisors is an integer number (7551690).

Almost surely, 2^40779099 is an apocalyptic number.

40779099 is a deficient number, since it is larger than the sum of its proper divisors (19634421).

40779099 is a wasteful number, since it uses less digits than its factorization.

40779099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510346 (or 1510340 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 40779099 is about 6385.8514702426. The cubic root of 40779099 is about 344.2013283129.

The spelling of 40779099 in words is "forty million, seven hundred seventy-nine thousand, ninety-nine".