40515652 has 6 divisors (see below), whose sum is σ = 70902398. Its totient is φ = 20257824.

The previous prime is 40515649. The next prime is 40515661. The reversal of 40515652 is 25651504.

It can be written as a sum of positive squares in only one way, i.e., 37773316 + 2742336 = 6146^2 + 1656^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40515652.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5064453 + ... + 5064460.

Almost surely, 2^40515652 is an apocalyptic number.

It is an amenable number.

40515652 is a deficient number, since it is larger than the sum of its proper divisors (30386746).

40515652 is a wasteful number, since it uses less digits than its factorization.

40515652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10128917 (or 10128915 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 40515652 is about 6365.1906491479. The cubic root of 40515652 is about 343.4585067405.

The spelling of 40515652 in words is "forty million, five hundred fifteen thousand, six hundred fifty-two".