40054292 has 6 divisors (see below), whose sum is σ = 70095018. Its totient is φ = 20027144.

The previous prime is 40054283. The next prime is 40054309. The reversal of 40054292 is 29245004.

It can be written as a sum of positive squares in only one way, i.e., 20376196 + 19678096 = 4514^2 + 4436^2 .

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 as a sum of consecutive naturals, namely, 5006783 + ... + 5006790.

It is an arithmetic number, because the mean of its divisors is an integer number (11682503).

Almost surely, 2^40054292 is an apocalyptic number.

It is an amenable number.

40054292 is a deficient number, since it is larger than the sum of its proper divisors (30040726).

40054292 is a wasteful number, since it uses less digits than its factorization.

40054292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10013577 (or 10013575 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 40054292 is about 6328.8460243555. The cubic root of 40054292 is about 342.1498494066.

Adding to 40054292 its reverse (29245004), we get a palindrome (69299296).

The spelling of 40054292 in words is "forty million, fifty-four thousand, two hundred ninety-two".