40342632 has 128 divisors (see below), whose sum is σ = 118972800. Its totient is φ = 11264000.

The previous prime is 40342573. The next prime is 40342633. The reversal of 40342632 is 23624304.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (40342633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 399382 + ... + 399482.

It is an arithmetic number, because the mean of its divisors is an integer number (929475).

Almost surely, 2^40342632 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 40342632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59486400).

40342632 is an abundant number, since it is smaller than the sum of its proper divisors (78630168).

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

40342632 is a wasteful number, since it uses less digits than its factorization.

40342632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 40342632 is about 6351.5849990376. The cubic root of 40342632 is about 342.9689018603.

Adding to 40342632 its reverse (23624304), we get a palindrome (63966936).

It can be divided in two parts, 4034 and 2632, that added together give a palindrome (6666).

The spelling of 40342632 in words is "forty million, three hundred forty-two thousand, six hundred thirty-two".