41779440 has 60 divisors (see below), whose sum is σ = 140311704. Its totient is φ = 11140992.

The previous prime is 41779417. The next prime is 41779457. The reversal of 41779440 is 4497714.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 41779395 and 41779404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28294 + ... + 29733.

Almost surely, 2^41779440 is an apocalyptic number.

41779440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41779440 is an abundant number, since it is smaller than the sum of its proper divisors (98532264).

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

41779440 is a wasteful number, since it uses less digits than its factorization.

41779440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58046 (or 58037 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 41779440 is about 6463.7017257915. The cubic root of 41779440 is about 346.9931260698.

The spelling of 41779440 in words is "forty-one million, seven hundred seventy-nine thousand, four hundred forty".