40270028 has 6 divisors (see below), whose sum is σ = 70472556. Its totient is φ = 20135012.

The previous prime is 40270007. The next prime is 40270031. The reversal of 40270028 is 82007204.

40270028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 40269985 and 40270012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5033750 + ... + 5033757.

It is an arithmetic number, because the mean of its divisors is an integer number (11745426).

Almost surely, 2^40270028 is an apocalyptic number.

It is an amenable number.

40270028 is a deficient number, since it is larger than the sum of its proper divisors (30202528).

40270028 is a wasteful number, since it uses less digits than its factorization.

40270028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10067511 (or 10067509 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 40270028 is about 6345.8670014428. The cubic root of 40270028 is about 342.7630330660.

It can be divided in two parts, 402 and 70028, that multiplied together give a triangular number (28151256 = T₇₅₀₃).

The spelling of 40270028 in words is "forty million, two hundred seventy thousand, twenty-eight".