40950640 has 40 divisors (see below), whose sum is σ = 95484960. Its totient is φ = 16333056.

The previous prime is 40950617. The next prime is 40950647. The reversal of 40950640 is 4605904.

40950640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 40950599 and 40950608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40950647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44101 + ... + 45019.

It is an arithmetic number, because the mean of its divisors is an integer number (2387124).

Almost surely, 2^40950640 is an apocalyptic number.

40950640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40950640 is an abundant number, since it is smaller than the sum of its proper divisors (54534320).

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

40950640 is a wasteful number, since it uses less digits than its factorization.

40950640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489 (or 1483 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 40950640 is about 6399.2687082197. The cubic root of 40950640 is about 344.6832912320.

The spelling of 40950640 in words is "forty million, nine hundred fifty thousand, six hundred forty".