40356034 has 4 divisors (see below), whose sum is σ = 60534054. Its totient is φ = 20178016.

The previous prime is 40355999. The next prime is 40356037. The reversal of 40356034 is 43065304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21650409 + 18705625 = 4653^2 + 4325^2 .

It is not an unprimeable number, because it can be changed into a prime (40356037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10089007 + ... + 10089010.

Almost surely, 2^40356034 is an apocalyptic number.

40356034 is a deficient number, since it is larger than the sum of its proper divisors (20178020).

40356034 is a wasteful number, since it uses less digits than its factorization.

40356034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20178019.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 40356034 is about 6352.6399236853. The cubic root of 40356034 is about 343.0068762487.

The spelling of 40356034 in words is "forty million, three hundred fifty-six thousand, thirty-four".