40513242452 has 48 divisors (see below), whose sum is σ = 75068095872. Its totient is φ = 19091635200.

The previous prime is 40513242439. The next prime is 40513242481. The reversal of 40513242452 is 25424231504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8708327 + ... + 8712977.

It is an arithmetic number, because the mean of its divisors is an integer number (1563918664).

Almost surely, 2^40513242452 is an apocalyptic number.

It is an amenable number.

40513242452 is a deficient number, since it is larger than the sum of its proper divisors (34554853420).

40513242452 is a wasteful number, since it uses less digits than its factorization.

40513242452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6048 (or 6046 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 40513242452 its reverse (25424231504), we get a palindrome (65937473956).

The spelling of 40513242452 in words is "forty billion, five hundred thirteen million, two hundred forty-two thousand, four hundred fifty-two".