40027090 has 8 divisors (see below), whose sum is σ = 72048780. Its totient is φ = 16010832.

The previous prime is 40027087. The next prime is 40027103. The reversal of 40027090 is 9072004.

It can be written as a sum of positive squares in 2 ways, for example, as 37933281 + 2093809 = 6159^2 + 1447^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001345 + ... + 2001364.

Almost surely, 2^40027090 is an apocalyptic number.

40027090 is a deficient number, since it is larger than the sum of its proper divisors (32021690).

40027090 is a wasteful number, since it uses less digits than its factorization.

40027090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4002716.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 40027090 is about 6326.6966103963. The cubic root of 40027090 is about 342.0723773268.

Adding to 40027090 its reverse (9072004), we get a palindrome (49099094).

The spelling of 40027090 in words is "forty million, twenty-seven thousand, ninety".