40351794 has 24 divisors (see below), whose sum is σ = 93880368. Its totient is φ = 11529000.

The previous prime is 40351781. The next prime is 40351807. The reversal of 40351794 is 49715304.

40351794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40351781) and next prime (40351807).

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 68332 + ... + 68919.

It is an arithmetic number, because the mean of its divisors is an integer number (3911682).

Almost surely, 2^40351794 is an apocalyptic number.

40351794 is an abundant number, since it is smaller than the sum of its proper divisors (53528574).

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

40351794 is a wasteful number, since it uses less digits than its factorization.

40351794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137270 (or 137263 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 40351794 is about 6352.3061953908. The cubic root of 40351794 is about 342.9948631745.

The spelling of 40351794 in words is "forty million, three hundred fifty-one thousand, seven hundred ninety-four".