40297754 has 24 divisors (see below), whose sum is σ = 70191264. Its totient is φ = 16997400.

The previous prime is 40297723. The next prime is 40297781. The reversal of 40297754 is 45779204.

40297754 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a pancake number, because a pancake can be divided into 40297754 parts by 8977 straight cuts.

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 11 ways as a sum of consecutive naturals, for example, 70289 + ... + 70859.

It is an arithmetic number, because the mean of its divisors is an integer number (2924636).

Almost surely, 2^40297754 is an apocalyptic number.

40297754 is a deficient number, since it is larger than the sum of its proper divisors (29893510).

40297754 is an equidigital number, since it uses as much as digits as its factorization.

40297754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 40297754 is about 6348.0511970210. The cubic root of 40297754 is about 342.8416793786.

The spelling of 40297754 in words is "forty million, two hundred ninety-seven thousand, seven hundred fifty-four".