40011452052 has 96 divisors (see below), whose sum is σ = 112646292864. Its totient is φ = 10889510400.

The previous prime is 40011452009. The next prime is 40011452057. The reversal of 40011452052 is 25025411004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40011452057) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 251599 + ... + 378582.

It is an arithmetic number, because the mean of its divisors is an integer number (1173398884).

Almost surely, 2^40011452052 is an apocalyptic number.

It is an amenable number.

40011452052 is an abundant number, since it is smaller than the sum of its proper divisors (72634840812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40011452052 is a wasteful number, since it uses less digits than its factorization.

40011452052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630249 (or 630247 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 40011452052 its reverse (25025411004), we get a palindrome (65036863056).

The spelling of 40011452052 in words is "forty billion, eleven million, four hundred fifty-two thousand, fifty-two".