40071776 has 24 divisors (see below), whose sum is σ = 79423344. Its totient is φ = 19900800.

The previous prime is 40071769. The next prime is 40071799. The reversal of 40071776 is 67717004.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686 + ... + 8978.

It is an arithmetic number, because the mean of its divisors is an integer number (3309306).

Almost surely, 2^40071776 is an apocalyptic number.

It is an amenable number.

40071776 is a deficient number, since it is larger than the sum of its proper divisors (39351568).

40071776 is a wasteful number, since it uses less digits than its factorization.

40071776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8454 (or 8446 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 40071776 is about 6330.2271681196. The cubic root of 40071776 is about 342.1996258264.

The spelling of 40071776 in words is "forty million, seventy-one thousand, seven hundred seventy-six".