40054977 has 6 divisors (see below), whose sum is σ = 57857202. Its totient is φ = 26703312.

The previous prime is 40054969. The next prime is 40054999. The reversal of 40054977 is 77945004.

It is a happy number.

40054977 is a `hidden beast` number, since 40 + 0 + 549 + 77 = 666.

It can be written as a sum of positive squares in only one way, i.e., 39992976 + 62001 = 6324^2 + 249^2 .

It is not a de Polignac number, because 40054977 - 2³ = 40054969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40054967) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2225268 + ... + 2225285.

It is an arithmetic number, because the mean of its divisors is an integer number (9642867).

Almost surely, 2^40054977 is an apocalyptic number.

It is an amenable number.

40054977 is a deficient number, since it is larger than the sum of its proper divisors (17802225).

40054977 is a wasteful number, since it uses less digits than its factorization.

40054977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4450559 (or 4450556 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 40054977 is about 6328.9001414148. The cubic root of 40054977 is about 342.1517998535.

The spelling of 40054977 in words is "forty million, fifty-four thousand, nine hundred seventy-seven".