40577144 has 8 divisors (see below), whose sum is σ = 76082160. Its totient is φ = 20288568.

The previous prime is 40577107. The next prime is 40577149. The reversal of 40577144 is 44177504.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40577144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40577149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2536064 + ... + 2536079.

It is an arithmetic number, because the mean of its divisors is an integer number (9510270).

Almost surely, 2^40577144 is an apocalyptic number.

It is an amenable number.

40577144 is a deficient number, since it is larger than the sum of its proper divisors (35505016).

40577144 is a wasteful number, since it uses less digits than its factorization.

40577144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5072149 (or 5072145 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 40577144 is about 6370.0191522475. The cubic root of 40577144 is about 343.6321785079.

The spelling of 40577144 in words is "forty million, five hundred seventy-seven thousand, one hundred forty-four".