40077057 has 4 divisors (see below), whose sum is σ = 53436080. Its totient is φ = 26718036.

The previous prime is 40077053. The next prime is 40077067. The reversal of 40077057 is 75077004.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40077057 - 2² = 40077053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40077053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6679507 + ... + 6679512.

It is an arithmetic number, because the mean of its divisors is an integer number (13359020).

Almost surely, 2^40077057 is an apocalyptic number.

It is an amenable number.

40077057 is a deficient number, since it is larger than the sum of its proper divisors (13359023).

40077057 is a wasteful number, since it uses less digits than its factorization.

40077057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13359022.

The product of its (nonzero) digits is 6860, while the sum is 30.

The square root of 40077057 is about 6330.6442800082. The cubic root of 40077057 is about 342.2146578266.

The spelling of 40077057 in words is "forty million, seventy-seven thousand, fifty-seven".