40623132 has 96 divisors (see below), whose sum is σ = 112299264. Its totient is φ = 11289600.

The previous prime is 40623127. The next prime is 40623137. The reversal of 40623132 is 23132604.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40623127) and next prime (40623137).

It is a junction number, because it is equal to n+sod(n) for n = 40623099 and 40623108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40623137) 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, 96282 + ... + 96702.

It is an arithmetic number, because the mean of its divisors is an integer number (1169784).

Almost surely, 2^40623132 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 40623132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56149632).

40623132 is an abundant number, since it is smaller than the sum of its proper divisors (71676132).

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

40623132 is a wasteful number, since it uses less digits than its factorization.

40623132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 40623132 is about 6373.6278523303. The cubic root of 40623132 is about 343.7619477059.

Adding to 40623132 its reverse (23132604), we get a palindrome (63755736).

It can be divided in two parts, 40623 and 132, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 40623132 in words is "forty million, six hundred twenty-three thousand, one hundred thirty-two".