40629232 has 60 divisors (see below), whose sum is σ = 94781880. Its totient is φ = 16802688.

The previous prime is 40629209. The next prime is 40629287. The reversal of 40629232 is 23292604.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 40629232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21843 + ... + 23629.

It is an arithmetic number, because the mean of its divisors is an integer number (1579698).

Almost surely, 2^40629232 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 40629232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47390940).

40629232 is an abundant number, since it is smaller than the sum of its proper divisors (54152648).

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

40629232 is a wasteful number, since it uses less digits than its factorization.

40629232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838 (or 1825 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 40629232 is about 6374.1063687391. The cubic root of 40629232 is about 343.7791533622.

The spelling of 40629232 in words is "forty million, six hundred twenty-nine thousand, two hundred thirty-two".