40270812 has 12 divisors (see below), whose sum is σ = 93965256. Its totient is φ = 13423600.

The previous prime is 40270793. The next prime is 40270817. The reversal of 40270812 is 21807204.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40270817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1677939 + ... + 1677962.

It is an arithmetic number, because the mean of its divisors is an integer number (7830438).

Almost surely, 2^40270812 is an apocalyptic number.

It is an amenable number.

40270812 is an abundant number, since it is smaller than the sum of its proper divisors (53694444).

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

40270812 is a wasteful number, since it uses less digits than its factorization.

40270812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355908 (or 3355906 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 40270812 is about 6345.9287736312. The cubic root of 40270812 is about 342.7652574206.

The spelling of 40270812 in words is "forty million, two hundred seventy thousand, eight hundred twelve".