40146007 has 4 divisors (see below), whose sum is σ = 43795656. Its totient is φ = 36496360.

The previous prime is 40145977. The next prime is 40146013. The reversal of 40146007 is 70064104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40146007 - 2¹⁹ = 39621719 is a prime.

It is a super-2 number, since 2×40146007² = 3223403756088098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40146077) 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, 1824808 + ... + 1824829.

It is an arithmetic number, because the mean of its divisors is an integer number (10948914).

Almost surely, 2^40146007 is an apocalyptic number.

40146007 is a deficient number, since it is larger than the sum of its proper divisors (3649649).

40146007 is a wasteful number, since it uses less digits than its factorization.

40146007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3649648.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 40146007 is about 6336.0876730045. The cubic root of 40146007 is about 342.4107981599.

The spelling of 40146007 in words is "forty million, one hundred forty-six thousand, seven".