40623532 has 6 divisors (see below), whose sum is σ = 71091188. Its totient is φ = 20311764.

The previous prime is 40623529. The next prime is 40623533. The reversal of 40623532 is 23532604.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40623497 and 40623506.

It is not an unprimeable number, because it can be changed into a prime (40623533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5077938 + ... + 5077945.

Almost surely, 2^40623532 is an apocalyptic number.

It is an amenable number.

40623532 is a deficient number, since it is larger than the sum of its proper divisors (30467656).

40623532 is a wasteful number, since it uses less digits than its factorization.

40623532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10155887 (or 10155885 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 40623532 is about 6373.6592315561. The cubic root of 40623532 is about 343.7630759985.

The spelling of 40623532 in words is "forty million, six hundred twenty-three thousand, five hundred thirty-two".