40375066 has 8 divisors (see below), whose sum is σ = 62199540. Its totient is φ = 19641888.

The previous prime is 40375063. The next prime is 40375067. The reversal of 40375066 is 66057304.

It can be written as a sum of positive squares in 2 ways, for example, as 32729841 + 7645225 = 5721^2 + 2765^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40375063) 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, 272731 + ... + 272878.

Almost surely, 2^40375066 is an apocalyptic number.

40375066 is a deficient number, since it is larger than the sum of its proper divisors (21824474).

40375066 is a wasteful number, since it uses less digits than its factorization.

40375066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545648.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 40375066 is about 6354.1377070378. The cubic root of 40375066 is about 343.0607887228.

The spelling of 40375066 in words is "forty million, three hundred seventy-five thousand, sixty-six".