40122772 has 24 divisors (see below), whose sum is σ = 72019584. Its totient is φ = 19549632.

The previous prime is 40122769. The next prime is 40122799. The reversal of 40122772 is 27722104.

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 7 ways as a sum of consecutive naturals, for example, 85683 + ... + 86149.

It is an arithmetic number, because the mean of its divisors is an integer number (3000816).

Almost surely, 2^40122772 is an apocalyptic number.

It is an amenable number.

40122772 is a deficient number, since it is larger than the sum of its proper divisors (31896812).

40122772 is a wasteful number, since it uses less digits than its factorization.

40122772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 40122772 is about 6334.2538629266. The cubic root of 40122772 is about 342.3447272449.

Adding to 40122772 its reverse (27722104), we get a palindrome (67844876).

The spelling of 40122772 in words is "forty million, one hundred twenty-two thousand, seven hundred seventy-two".