40540834 has 4 divisors (see below), whose sum is σ = 60811254. Its totient is φ = 20270416.

The previous prime is 40540823. The next prime is 40540849. The reversal of 40540834 is 43804504.

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., 37246609 + 3294225 = 6103^2 + 1815^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10135207 + ... + 10135210.

Almost surely, 2^40540834 is an apocalyptic number.

40540834 is a deficient number, since it is larger than the sum of its proper divisors (20270420).

40540834 is a wasteful number, since it uses less digits than its factorization.

40540834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20270419.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 40540834 is about 6367.1684444500. The cubic root of 40540834 is about 343.5296494588.

The spelling of 40540834 in words is "forty million, five hundred forty thousand, eight hundred thirty-four".