40258007 has 4 divisors (see below), whose sum is σ = 40673136. Its totient is φ = 39842880.

The previous prime is 40257983. The next prime is 40258013. The reversal of 40258007 is 70085204.

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 40258007 - 2¹² = 40253911 is a prime.

It is a super-2 number, since 2×40258007² = 3241414255224098, 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 (40258037) 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, 207419 + ... + 207612.

It is an arithmetic number, because the mean of its divisors is an integer number (10168284).

Almost surely, 2^40258007 is an apocalyptic number.

40258007 is a deficient number, since it is larger than the sum of its proper divisors (415129).

40258007 is an equidigital number, since it uses as much as digits as its factorization.

40258007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415128.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 40258007 is about 6344.9197788467. The cubic root of 40258007 is about 342.7289236246.

The spelling of 40258007 in words is "forty million, two hundred fifty-eight thousand, seven".