40333242551 has 24 divisors (see below), whose sum is σ = 47142470160. Its totient is φ = 34406467200.

The previous prime is 40333242533. The next prime is 40333242553. The reversal of 40333242551 is 15524233304.

It is not a de Polignac number, because 40333242551 - 2¹⁸ = 40332980407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40333242553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17774645 + ... + 17776913.

It is an arithmetic number, because the mean of its divisors is an integer number (1964269590).

Almost surely, 2^40333242551 is an apocalyptic number.

40333242551 is a deficient number, since it is larger than the sum of its proper divisors (6809227609).

40333242551 is a wasteful number, since it uses less digits than its factorization.

40333242551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3855 (or 3848 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 40333242551 its reverse (15524233304), we get a palindrome (55857475855).

The spelling of 40333242551 in words is "forty billion, three hundred thirty-three million, two hundred forty-two thousand, five hundred fifty-one".