40214278 has 16 divisors (see below), whose sum is σ = 65219616. Its totient is φ = 18486720.

The previous prime is 40214263. The next prime is 40214323. The reversal of 40214278 is 87241204.

40214278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40214278² = 3234376310122568, which contains 22 as substring.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 3898 + ... + 9778.

It is an arithmetic number, because the mean of its divisors is an integer number (4076226).

Almost surely, 2^40214278 is an apocalyptic number.

40214278 is a deficient number, since it is larger than the sum of its proper divisors (25005338).

40214278 is a wasteful number, since it uses less digits than its factorization.

40214278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6159.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 40214278 is about 6341.4728573100. The cubic root of 40214278 is about 342.6047858116.

The spelling of 40214278 in words is "forty million, two hundred fourteen thousand, two hundred seventy-eight".