40356308 has 6 divisors (see below), whose sum is σ = 70623546. Its totient is φ = 20178152.

The previous prime is 40356301. The next prime is 40356331. The reversal of 40356308 is 80365304.

It can be written as a sum of positive squares in only one way, i.e., 27019204 + 13337104 = 5198^2 + 3652^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40356301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5044535 + ... + 5044542.

It is an arithmetic number, because the mean of its divisors is an integer number (11770591).

Almost surely, 2^40356308 is an apocalyptic number.

It is an amenable number.

40356308 is a deficient number, since it is larger than the sum of its proper divisors (30267238).

40356308 is a wasteful number, since it uses less digits than its factorization.

40356308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10089081 (or 10089079 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 40356308 is about 6352.6614894861. The cubic root of 40356308 is about 343.0076525363.

The spelling of 40356308 in words is "forty million, three hundred fifty-six thousand, three hundred eight".