40465386 has 64 divisors (see below), whose sum is σ = 98582400. Its totient is φ = 12227328.

The previous prime is 40465379. The next prime is 40465409. The reversal of 40465386 is 68356404.

It is a self number, because there is not a number n which added to its sum of digits gives 40465386.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40930 + ... + 41906.

It is an arithmetic number, because the mean of its divisors is an integer number (1540350).

Almost surely, 2^40465386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40465386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49291200).

40465386 is an abundant number, since it is smaller than the sum of its proper divisors (58117014).

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

40465386 is a wasteful number, since it uses less digits than its factorization.

40465386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 40465386 is about 6361.2409166766. The cubic root of 40465386 is about 343.3164099701.

The spelling of 40465386 in words is "forty million, four hundred sixty-five thousand, three hundred eighty-six".