40312856 has 8 divisors (see below), whose sum is σ = 75586620. Its totient is φ = 20156424.

The previous prime is 40312829. The next prime is 40312873. The reversal of 40312856 is 65821304.

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

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, 2519546 + ... + 2519561.

Almost surely, 2^40312856 is an apocalyptic number.

It is an amenable number.

40312856 is a deficient number, since it is larger than the sum of its proper divisors (35273764).

40312856 is a wasteful number, since it uses less digits than its factorization.

40312856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5039113 (or 5039109 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 40312856 is about 6349.2405845109. The cubic root of 40312856 is about 342.8845018512.

The spelling of 40312856 in words is "forty million, three hundred twelve thousand, eight hundred fifty-six".