40252453352 has 8 divisors (see below), whose sum is σ = 75473350050. Its totient is φ = 20126226672.

The previous prime is 40252453349. The next prime is 40252453361. The reversal of 40252453352 is 25335425204.

It can be written as a sum of positive squares in only one way, i.e., 36669952036 + 3582501316 = 191494^2 + 59854^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2515778327 + ... + 2515778342.

Almost surely, 2^40252453352 is an apocalyptic number.

It is an amenable number.

40252453352 is a deficient number, since it is larger than the sum of its proper divisors (35220896698).

40252453352 is a wasteful number, since it uses less digits than its factorization.

40252453352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5031556675 (or 5031556671 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 40252453352 its reverse (25335425204), we get a palindrome (65587878556).

The spelling of 40252453352 in words is "forty billion, two hundred fifty-two million, four hundred fifty-three thousand, three hundred fifty-two".