41994540 has 72 divisors (see below), whose sum is σ = 145585440. Its totient is φ = 9598464.

The previous prime is 41994509. The next prime is 41994551. The reversal of 41994540 is 4549914.

It is a happy number.

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 = 41994495 and 41994504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15405 + ... + 17924.

It is an arithmetic number, because the mean of its divisors is an integer number (2022020).

Almost surely, 2^41994540 is an apocalyptic number.

It is an amenable number.

41994540 is an abundant number, since it is smaller than the sum of its proper divisors (103590900).

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

41994540 is a wasteful number, since it uses less digits than its factorization.

41994540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33351 (or 33346 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 41994540 is about 6480.3194365710. The cubic root of 41994540 is about 347.5876010537.

The spelling of 41994540 in words is "forty-one million, nine hundred ninety-four thousand, five hundred forty".