40045420351 has 2 divisors, whose sum is σ = 40045420352. Its totient is φ = 40045420350.

The previous prime is 40045420321. The next prime is 40045420369. The reversal of 40045420351 is 15302454004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40045420351 - 2⁹ = 40045419839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40045420321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20022710175 + 20022710176.

It is an arithmetic number, because the mean of its divisors is an integer number (20022710176).

Almost surely, 2^40045420351 is an apocalyptic number.

40045420351 is a deficient number, since it is larger than the sum of its proper divisors (1).

40045420351 is an equidigital number, since it uses as much as digits as its factorization.

40045420351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 40045420351 its reverse (15302454004), we get a palindrome (55347874355).

The spelling of 40045420351 in words is "forty billion, forty-five million, four hundred twenty thousand, three hundred fifty-one".