40264743 has 16 divisors (see below), whose sum is σ = 58970880. Its totient is φ = 24323904.

The previous prime is 40264733. The next prime is 40264801. The reversal of 40264743 is 34746204.

It is not a de Polignac number, because 40264743 - 2⁸ = 40264487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40264743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40264703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14046 + ... + 16667.

It is an arithmetic number, because the mean of its divisors is an integer number (3685680).

Almost surely, 2^40264743 is an apocalyptic number.

40264743 is a deficient number, since it is larger than the sum of its proper divisors (18706137).

40264743 is a wasteful number, since it uses less digits than its factorization.

40264743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30758.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 40264743 is about 6345.4505750183. The cubic root of 40264743 is about 342.7480377790.

The spelling of 40264743 in words is "forty million, two hundred sixty-four thousand, seven hundred forty-three".