40454634 has 32 divisors (see below), whose sum is σ = 88957440. Its totient is φ = 12162800.

The previous prime is 40454563. The next prime is 40454647. The reversal of 40454634 is 43645404.

40454634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 6307 + ... + 10985.

It is an arithmetic number, because the mean of its divisors is an integer number (2779920).

Almost surely, 2^40454634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40454634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44478720).

40454634 is an abundant number, since it is smaller than the sum of its proper divisors (48502806).

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

40454634 is a wasteful number, since it uses less digits than its factorization.

40454634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4826.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 40454634 is about 6360.3957424047. The cubic root of 40454634 is about 343.2859999053.

The spelling of 40454634 in words is "forty million, four hundred fifty-four thousand, six hundred thirty-four".