40345068 has 24 divisors (see below), whose sum is σ = 94974768. Its totient is φ = 13328896.

The previous prime is 40345057. The next prime is 40345093. The reversal of 40345068 is 86054304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13521 + ... + 16232.

It is an arithmetic number, because the mean of its divisors is an integer number (3957282).

Almost surely, 2^40345068 is an apocalyptic number.

It is an amenable number.

40345068 is an abundant number, since it is smaller than the sum of its proper divisors (54629700).

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

40345068 is a wasteful number, since it uses less digits than its factorization.

40345068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29873 (or 29871 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 40345068 is about 6351.7767593013. The cubic root of 40345068 is about 342.9758048592.

The spelling of 40345068 in words is "forty million, three hundred forty-five thousand, sixty-eight".