40477772 has 12 divisors (see below), whose sum is σ = 71690136. Its totient is φ = 19994880.

The previous prime is 40477721. The next prime is 40477777. The reversal of 40477772 is 27777404.

It is not an unprimeable number, because it can be changed into a prime (40477777) by changing a digit.

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, 60629 + ... + 61292.

It is an arithmetic number, because the mean of its divisors is an integer number (5974178).

Almost surely, 2^40477772 is an apocalyptic number.

It is an amenable number.

40477772 is a deficient number, since it is larger than the sum of its proper divisors (31212364).

40477772 is a wasteful number, since it uses less digits than its factorization.

40477772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122008 (or 122006 counting only the distinct ones).

The product of its (nonzero) digits is 76832, while the sum is 38.

The square root of 40477772 is about 6362.2143943756. The cubic root of 40477772 is about 343.3514348287.

The spelling of 40477772 in words is "forty million, four hundred seventy-seven thousand, seven hundred seventy-two".