64240002 has 24 divisors (see below), whose sum is σ = 141266736. Its totient is φ = 21093336.

The previous prime is 64239997. The next prime is 64240013. The reversal of 64240002 is 20004246.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25428 + ... + 27839.

It is an arithmetic number, because the mean of its divisors is an integer number (5886114).

Almost surely, 2^64240002 is an apocalyptic number.

64240002 is an abundant number, since it is smaller than the sum of its proper divisors (77026734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64240002 is a wasteful number, since it uses less digits than its factorization.

64240002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53342 (or 53339 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 64240002 is about 8014.9860885718. The cubic root of 64240002 is about 400.4993804551.

Adding to 64240002 its reverse (20004246), we get a palindrome (84244248).

The spelling of 64240002 in words is "sixty-four million, two hundred forty thousand, two".