40587236 has 6 divisors (see below), whose sum is σ = 71027670. Its totient is φ = 20293616.

The previous prime is 40587229. The next prime is 40587247. The reversal of 40587236 is 63278504.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 31248100 + 9339136 = 5590^2 + 3056^2 .

It is a super-2 number, since 2×40587236² = 3294647452239392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40587196 and 40587205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5073401 + ... + 5073408.

It is an arithmetic number, because the mean of its divisors is an integer number (11837945).

Almost surely, 2^40587236 is an apocalyptic number.

It is an amenable number.

40587236 is a deficient number, since it is larger than the sum of its proper divisors (30440434).

40587236 is a wasteful number, since it uses less digits than its factorization.

40587236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10146813 (or 10146811 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 40587236 is about 6370.8112513243. The cubic root of 40587236 is about 343.6606645647.

The spelling of 40587236 in words is "forty million, five hundred eighty-seven thousand, two hundred thirty-six".