40462197851 has 2 divisors, whose sum is σ = 40462197852. Its totient is φ = 40462197850.

The previous prime is 40462197847. The next prime is 40462197857. The reversal of 40462197851 is 15879126404.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40462197851 - 2² = 40462197847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40462197796 and 40462197805.

It is not a weakly prime, because it can be changed into another prime (40462197857) 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 as a sum of consecutive naturals, namely, 20231098925 + 20231098926.

It is an arithmetic number, because the mean of its divisors is an integer number (20231098926).

Almost surely, 2^40462197851 is an apocalyptic number.

40462197851 is a deficient number, since it is larger than the sum of its proper divisors (1).

40462197851 is an equidigital number, since it uses as much as digits as its factorization.

40462197851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 40462197851 in words is "forty billion, four hundred sixty-two million, one hundred ninety-seven thousand, eight hundred fifty-one".