40779700 has 108 divisors (see below), whose sum is σ = 101660160. Its totient is φ = 14152320.

The previous prime is 40779689. The next prime is 40779701. The reversal of 40779700 is 797704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40779701) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 321037 + ... + 321163.

Almost surely, 2^40779700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40779700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50830080).

40779700 is an abundant number, since it is smaller than the sum of its proper divisors (60880460).

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

40779700 is a wasteful number, since it uses less digits than its factorization.

40779700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 40779700 is about 6385.8985272239. The cubic root of 40779700 is about 344.2030192443.

The spelling of 40779700 in words is "forty million, seven hundred seventy-nine thousand, seven hundred".