40788942 has 16 divisors (see below), whose sum is σ = 82961280. Its totient is φ = 13365752.

The previous prime is 40788929. The next prime is 40788947. The reversal of 40788942 is 24988704.

It is a junction number, because it is equal to n+sod(n) for n = 40788894 and 40788903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40788947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57258 + ... + 57965.

It is an arithmetic number, because the mean of its divisors is an integer number (5185080).

Almost surely, 2^40788942 is an apocalyptic number.

40788942 is an abundant number, since it is smaller than the sum of its proper divisors (42172338).

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

40788942 is a wasteful number, since it uses less digits than its factorization.

40788942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115287.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 40788942 is about 6386.6221118836. The cubic root of 40788942 is about 344.2290197954.

The spelling of 40788942 in words is "forty million, seven hundred eighty-eight thousand, nine hundred forty-two".