40465788 has 108 divisors (see below), whose sum is σ = 110937960. Its totient is φ = 11457600.

The previous prime is 40465783. The next prime is 40465793. The reversal of 40465788 is 88756404.

It is an interprime number because it is at equal distance from previous prime (40465783) and next prime (40465793).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40465783) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1305333 + ... + 1305363.

Almost surely, 2^40465788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40465788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55468980).

40465788 is an abundant number, since it is smaller than the sum of its proper divisors (70472172).

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

40465788 is a wasteful number, since it uses less digits than its factorization.

40465788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 40465788 is about 6361.2725142066. The cubic root of 40465788 is about 343.3175468491.

The spelling of 40465788 in words is "forty million, four hundred sixty-five thousand, seven hundred eighty-eight".