40026464 has 48 divisors (see below), whose sum is σ = 84934080. Its totient is φ = 18506880.

The previous prime is 40026451. The next prime is 40026479. The reversal of 40026464 is 46462004.

It is a super-3 number, since 3×40026464³ (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, 25379 + ... + 26909.

It is an arithmetic number, because the mean of its divisors is an integer number (1769460).

Almost surely, 2^40026464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40026464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42467040).

40026464 is an abundant number, since it is smaller than the sum of its proper divisors (44907616).

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

40026464 is a wasteful number, since it uses less digits than its factorization.

40026464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 40026464 is about 6326.6471373074. The cubic root of 40026464 is about 342.0705940476.

Adding to 40026464 its reverse (46462004), we get a palindrome (86488468).

The spelling of 40026464 in words is "forty million, twenty-six thousand, four hundred sixty-four".