40264751 has 4 divisors (see below), whose sum is σ = 40327632. Its totient is φ = 40201872.

The previous prime is 40264733. The next prime is 40264801. The reversal of 40264751 is 15746204.

40264751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40264751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40264051) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 30470 + ... + 31763.

It is an arithmetic number, because the mean of its divisors is an integer number (10081908).

Almost surely, 2^40264751 is an apocalyptic number.

40264751 is a deficient number, since it is larger than the sum of its proper divisors (62881).

40264751 is an equidigital number, since it uses as much as digits as its factorization.

40264751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62880.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 40264751 is about 6345.4512053912. The cubic root of 40264751 is about 342.7480604786.

The spelling of 40264751 in words is "forty million, two hundred sixty-four thousand, seven hundred fifty-one".