40632352251 has 8 divisors (see below), whose sum is σ = 55329160704. Its totient is φ = 26511889320.

The previous prime is 40632352249. The next prime is 40632352261. The reversal of 40632352251 is 15225323604.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40632352251 - 2¹ = 40632352249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40632352231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144086215 + ... + 144086496.

It is an arithmetic number, because the mean of its divisors is an integer number (6916145088).

Almost surely, 2^40632352251 is an apocalyptic number.

40632352251 is a deficient number, since it is larger than the sum of its proper divisors (14696808453).

40632352251 is a wasteful number, since it uses less digits than its factorization.

40632352251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288172761.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 40632352251 its reverse (15225323604), we get a palindrome (55857675855).

The spelling of 40632352251 in words is "forty billion, six hundred thirty-two million, three hundred fifty-two thousand, two hundred fifty-one".