40054007 has 16 divisors (see below), whose sum is σ = 47615232. Its totient is φ = 32978880.

The previous prime is 40053973. The next prime is 40054019. The reversal of 40054007 is 70045004.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40054007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40054007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40054207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18188 + ... + 20270.

It is an arithmetic number, because the mean of its divisors is an integer number (2975952).

Almost surely, 2^40054007 is an apocalyptic number.

40054007 is a deficient number, since it is larger than the sum of its proper divisors (7561225).

40054007 is a wasteful number, since it uses less digits than its factorization.

40054007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 40054007 is about 6328.8235083624. The cubic root of 40054007 is about 342.1490379002.

The spelling of 40054007 in words is "forty million, fifty-four thousand, seven".