40054697 has 8 divisors (see below), whose sum is σ = 42128640. Its totient is φ = 38029680.

The previous prime is 40054673. The next prime is 40054709. The reversal of 40054697 is 79645004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40054697 - 2⁶ = 40054633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40054607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10547 + ... + 13832.

It is an arithmetic number, because the mean of its divisors is an integer number (5266080).

Almost surely, 2^40054697 is an apocalyptic number.

It is an amenable number.

40054697 is a deficient number, since it is larger than the sum of its proper divisors (2073943).

40054697 is a wasteful number, since it uses less digits than its factorization.

40054697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24463.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 40054697 is about 6328.8780206289. The cubic root of 40054697 is about 342.1510025932.

The spelling of 40054697 in words is "forty million, fifty-four thousand, six hundred ninety-seven".