41779980 has 72 divisors (see below), whose sum is σ = 138260304. Its totient is φ = 10128000.

The previous prime is 41779979. The next prime is 41779987. The reversal of 41779980 is 8997714.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (41779987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8571 + ... + 12530.

It is an arithmetic number, because the mean of its divisors is an integer number (1920282).

Almost surely, 2^41779980 is an apocalyptic number.

It is an amenable number.

41779980 is an abundant number, since it is smaller than the sum of its proper divisors (96480324).

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

41779980 is a wasteful number, since it uses less digits than its factorization.

41779980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21127 (or 21122 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 41779980 is about 6463.7434973860. The cubic root of 41779980 is about 346.9946210274.

The spelling of 41779980 in words is "forty-one million, seven hundred seventy-nine thousand, nine hundred eighty".