39850040 has 32 divisors (see below), whose sum is σ = 94938480. Its totient is φ = 15002112.

The previous prime is 39850039. The next prime is 39850081. The reversal of 39850040 is 4005893.

It is a junction number, because it is equal to n+sod(n) for n = 39849985 and 39850012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28622 + ... + 29981.

Almost surely, 2^39850040 is an apocalyptic number.

It is an amenable number.

39850040 is an abundant number, since it is smaller than the sum of its proper divisors (55088440).

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

39850040 is a wasteful number, since it uses less digits than its factorization.

39850040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58631 (or 58627 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 39850040 is about 6312.6888090575. The cubic root of 39850040 is about 341.5672741494.

The spelling of 39850040 in words is "thirty-nine million, eight hundred fifty thousand, forty".