40778352 has 30 divisors (see below), whose sum is σ = 114123152. Its totient is φ = 13592736.

The previous prime is 40778347. The next prime is 40778363. The reversal of 40778352 is 25387704.

40778352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 141448 + ... + 141735.

Almost surely, 2^40778352 is an apocalyptic number.

It is an amenable number.

40778352 is an abundant number, since it is smaller than the sum of its proper divisors (73344800).

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

40778352 is a wasteful number, since it uses less digits than its factorization.

40778352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283197 (or 283188 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 40778352 is about 6385.7929812984. The cubic root of 40778352 is about 344.1992265829.

The spelling of 40778352 in words is "forty million, seven hundred seventy-eight thousand, three hundred fifty-two".