40607838 has 16 divisors (see below), whose sum is σ = 90239760. Its totient is φ = 13535928.

The previous prime is 40607837. The next prime is 40607843. The reversal of 40607838 is 83870604.

40607838 is a `hidden beast` number, since 40 + 607 + 8 + 3 + 8 = 666.

40607838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40607837) 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, 375945 + ... + 376052.

It is an arithmetic number, because the mean of its divisors is an integer number (5639985).

Almost surely, 2^40607838 is an apocalyptic number.

40607838 is an abundant number, since it is smaller than the sum of its proper divisors (49631922).

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

40607838 is a wasteful number, since it uses less digits than its factorization.

40607838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752008 (or 752002 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 40607838 is about 6372.4279517308. The cubic root of 40607838 is about 343.7188018849.

The spelling of 40607838 in words is "forty million, six hundred seven thousand, eight hundred thirty-eight".