64026040 has 32 divisors (see below), whose sum is σ = 155141280. Its totient is φ = 23640192.

The previous prime is 64026019. The next prime is 64026073. The reversal of 64026040 is 4062046.

It is a super-3 number, since 3×64026040³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61044 + ... + 62083.

It is an arithmetic number, because the mean of its divisors is an integer number (4848165).

Almost surely, 2^64026040 is an apocalyptic number.

It is an amenable number.

64026040 is an abundant number, since it is smaller than the sum of its proper divisors (91115240).

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

64026040 is a wasteful number, since it uses less digits than its factorization.

64026040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123151 (or 123147 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 64026040 is about 8001.6273344864. The cubic root of 64026040 is about 400.0542426440.

Adding to 64026040 its reverse (4062046), we get a palindrome (68088086).

The spelling of 64026040 in words is "sixty-four million, twenty-six thousand, forty".