40751496901 has 4 divisors (see below), whose sum is σ = 40839895404. Its totient is φ = 40663098400.

The previous prime is 40751496893. The next prime is 40751496911. The reversal of 40751496901 is 10969415704.

It is a Cunningham number, because it is equal to 201870²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13062204100 + 27689292801 = 114290^2 + 166401^2 .

It is a cyclic number.

It is not a de Polignac number, because 40751496901 - 2³ = 40751496893 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 (40751496911) 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 3 ways as a sum of consecutive naturals, for example, 44198560 + ... + 44199481.

It is an arithmetic number, because the mean of its divisors is an integer number (10209973851).

Almost surely, 2^40751496901 is an apocalyptic number.

It is an amenable number.

40751496901 is a deficient number, since it is larger than the sum of its proper divisors (88398503).

40751496901 is an equidigital number, since it uses as much as digits as its factorization.

40751496901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88398502.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 40751496901 in words is "forty billion, seven hundred fifty-one million, four hundred ninety-six thousand, nine hundred one".