40255330 has 16 divisors (see below), whose sum is σ = 72948600. Its totient is φ = 15993472.

The previous prime is 40255321. The next prime is 40255343. The reversal of 40255330 is 3355204.

It can be written as a sum of positive squares in 4 ways, for example, as 35366809 + 4888521 = 5947^2 + 2211^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12019 + ... + 14998.

Almost surely, 2^40255330 is an apocalyptic number.

40255330 is a deficient number, since it is larger than the sum of its proper divisors (32693270).

40255330 is a wasteful number, since it uses less digits than its factorization.

40255330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27173.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 40255330 is about 6344.7088191658. The cubic root of 40255330 is about 342.7213267452.

The spelling of 40255330 in words is "forty million, two hundred fifty-five thousand, three hundred thirty".