40354632 has 64 divisors (see below), whose sum is σ = 118008000. Its totient is φ = 12742272.

The previous prime is 40354621. The next prime is 40354637. The reversal of 40354632 is 23645304.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 40354596 and 40354605.

It is not an unprimeable number, because it can be changed into a prime (40354637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 813 + ... + 9020.

It is an arithmetic number, because the mean of its divisors is an integer number (1843875).

Almost surely, 2^40354632 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 40354632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59004000).

40354632 is an abundant number, since it is smaller than the sum of its proper divisors (77653368).

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

40354632 is a wasteful number, since it uses less digits than its factorization.

40354632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9867 (or 9857 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 40354632 is about 6352.5295749016. The cubic root of 40354632 is about 343.0029040942.

Adding to 40354632 its reverse (23645304), we get a palindrome (63999936).

The spelling of 40354632 in words is "forty million, three hundred fifty-four thousand, six hundred thirty-two".