40463769 has 4 divisors (see below), whose sum is σ = 53951696. Its totient is φ = 26975844.

The previous prime is 40463747. The next prime is 40463771. The reversal of 40463769 is 96736404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40463769 - 2⁵ = 40463737 is a prime.

It is a super-2 number, since 2×40463769² = 3274633203370722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40463789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6743959 + ... + 6743964.

It is an arithmetic number, because the mean of its divisors is an integer number (13487924).

Almost surely, 2^40463769 is an apocalyptic number.

It is an amenable number.

40463769 is a deficient number, since it is larger than the sum of its proper divisors (13487927).

40463769 is a wasteful number, since it uses less digits than its factorization.

40463769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13487926.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 40463769 is about 6361.1138175637. The cubic root of 40463769 is about 343.3118369256.

The spelling of 40463769 in words is "forty million, four hundred sixty-three thousand, seven hundred sixty-nine".