264042207 has 48 divisors (see below), whose sum is σ = 463116640. Its totient is φ = 147692160.

The previous prime is 264042199. The next prime is 264042239. The reversal of 264042207 is 702240462.

It is a happy number.

It is not a de Polignac number, because 264042207 - 2³ = 264042199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264042907) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39363 + ... + 45579.

Almost surely, 2^264042207 is an apocalyptic number.

264042207 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

264042207 is a deficient number, since it is larger than the sum of its proper divisors (199074433).

264042207 is a wasteful number, since it uses less digits than its factorization.

264042207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6261 (or 6244 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 264042207 is about 16249.3755880034. The cubic root of 264042207 is about 641.5410511475.

Adding to 264042207 its reverse (702240462), we get a palindrome (966282669).

The spelling of 264042207 in words is "two hundred sixty-four million, forty-two thousand, two hundred seven".