40426464 has 96 divisors (see below), whose sum is σ = 118329120. Its totient is φ = 11999232.

The previous prime is 40426453. The next prime is 40426481. The reversal of 40426464 is 46462404.

40426464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35634 + ... + 36750.

It is an arithmetic number, because the mean of its divisors is an integer number (1232595).

Almost surely, 2^40426464 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 40426464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59164560).

40426464 is an abundant number, since it is smaller than the sum of its proper divisors (77902656).

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

40426464 is a wasteful number, since it uses less digits than its factorization.

40426464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 40426464 is about 6358.1808719161. The cubic root of 40426464 is about 343.2063006543.

Adding to 40426464 its reverse (46462404), we get a palindrome (86888868).

The spelling of 40426464 in words is "forty million, four hundred twenty-six thousand, four hundred sixty-four".