40463765 has 8 divisors (see below), whose sum is σ = 48590808. Its totient is φ = 32348160.

The previous prime is 40463747. The next prime is 40463771. The reversal of 40463765 is 56736404.

It can be written as a sum of positive squares in 4 ways, for example, as 1444 + 40462321 = 38^2 + 6361^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40463765 - 2¹⁶ = 40398229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11405 + ... + 14525.

It is an arithmetic number, because the mean of its divisors is an integer number (6073851).

Almost surely, 2^40463765 is an apocalyptic number.

It is an amenable number.

40463765 is a deficient number, since it is larger than the sum of its proper divisors (8127043).

40463765 is a wasteful number, since it uses less digits than its factorization.

40463765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5719.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 40463765 is about 6361.1135031534. The cubic root of 40463765 is about 343.3118256130.

The spelling of 40463765 in words is "forty million, four hundred sixty-three thousand, seven hundred sixty-five".