40365012 has 24 divisors (see below), whose sum is σ = 95963616. Its totient is φ = 13200928.

The previous prime is 40364999. The next prime is 40365019. The reversal of 40365012 is 21056304.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40365012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40365019) 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, 31098 + ... + 32369.

It is an arithmetic number, because the mean of its divisors is an integer number (3998484).

Almost surely, 2^40365012 is an apocalyptic number.

It is an amenable number.

40365012 is an abundant number, since it is smaller than the sum of its proper divisors (55598604).

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

40365012 is a wasteful number, since it uses less digits than its factorization.

40365012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63527 (or 63525 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 40365012 is about 6353.3465197485. The cubic root of 40365012 is about 343.0323105897.

The spelling of 40365012 in words is "forty million, three hundred sixty-five thousand, twelve".