40306526005551 has 32 divisors (see below), whose sum is σ = 58219989085440. Its totient is φ = 24803381202912.

The previous prime is 40306526005547. The next prime is 40306526005553. The reversal of 40306526005551 is 15550062560304.

It is not a de Polignac number, because 40306526005551 - 2² = 40306526005547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40306526005553) 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 31 ways as a sum of consecutive naturals, for example, 496571496 + ... + 496652658.

It is an arithmetic number, because the mean of its divisors is an integer number (1819374658920).

Almost surely, 2^{40306526005551} is an apocalyptic number.

40306526005551 is a deficient number, since it is larger than the sum of its proper divisors (17913463079889).

40306526005551 is an equidigital number, since it uses as much as digits as its factorization.

40306526005551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156552 (or 156526 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

Adding to 40306526005551 its reverse (15550062560304), we get a palindrome (55856588565855).

The spelling of 40306526005551 in words is "forty trillion, three hundred six billion, five hundred twenty-six million, five thousand, five hundred fifty-one".