40459768 has 8 divisors (see below), whose sum is σ = 75862080. Its totient is φ = 20229880.

The previous prime is 40459753. The next prime is 40459777. The reversal of 40459768 is 86795404.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×40459768² = 3273985653227648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2528728 + ... + 2528743.

It is an arithmetic number, because the mean of its divisors is an integer number (9482760).

Almost surely, 2^40459768 is an apocalyptic number.

It is an amenable number.

40459768 is a deficient number, since it is larger than the sum of its proper divisors (35402312).

40459768 is a wasteful number, since it uses less digits than its factorization.

40459768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5057477 (or 5057473 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 40459768 is about 6360.7993208401. The cubic root of 40459768 is about 343.3005211570.

The spelling of 40459768 in words is "forty million, four hundred fifty-nine thousand, seven hundred sixty-eight".