40619780 has 24 divisors (see below), whose sum is σ = 85421952. Its totient is φ = 16224992.

The previous prime is 40619753. The next prime is 40619837. The reversal of 40619780 is 8791604.

40619780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40619780.

It is an unprimeable number.

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, 24869 + ... + 26451.

It is an arithmetic number, because the mean of its divisors is an integer number (3559248).

Almost surely, 2^40619780 is an apocalyptic number.

It is an amenable number.

40619780 is an abundant number, since it is smaller than the sum of its proper divisors (44802172).

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

40619780 is a wasteful number, since it uses less digits than its factorization.

40619780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2875 (or 2873 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 40619780 is about 6373.3648883459. The cubic root of 40619780 is about 343.7524923235.

The spelling of 40619780 in words is "forty million, six hundred nineteen thousand, seven hundred eighty".