40252452000 has 96 divisors (see below), whose sum is σ = 131867072064. Its totient is φ = 10733984000.

The previous prime is 40252451969. The next prime is 40252452001. The reversal of 40252452000 is 25425204.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (40252452001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1665186 + ... + 1689185.

It is an arithmetic number, because the mean of its divisors is an integer number (1373615334).

Almost surely, 2^40252452000 is an apocalyptic number.

40252452000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40252452000 is an abundant number, since it is smaller than the sum of its proper divisors (91614620064).

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

40252452000 is a wasteful number, since it uses less digits than its factorization.

40252452000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3354399 (or 3354381 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

Adding to 40252452000 its reverse (25425204), we get a palindrome (40277877204).

The spelling of 40252452000 in words is "forty billion, two hundred fifty-two million, four hundred fifty-two thousand".