40052505 has 8 divisors (see below), whose sum is σ = 64084032. Its totient is φ = 21361328.

The previous prime is 40052489. The next prime is 40052521. The reversal of 40052505 is 50525004.

It is an interprime number because it is at equal distance from previous prime (40052489) and next prime (40052521).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40052505 - 2⁴ = 40052489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1335069 + ... + 1335098.

It is an arithmetic number, because the mean of its divisors is an integer number (8010504).

Almost surely, 2^40052505 is an apocalyptic number.

It is an amenable number.

40052505 is a deficient number, since it is larger than the sum of its proper divisors (24031527).

40052505 is a wasteful number, since it uses less digits than its factorization.

40052505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670175.

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 40052505 is about 6328.7048438049. The cubic root of 40052505 is about 342.1447610557.

Adding to 40052505 its reverse (50525004), we get a palindrome (90577509).

The spelling of 40052505 in words is "forty million, fifty-two thousand, five hundred five".