40462861 has 2 divisors, whose sum is σ = 40462862. Its totient is φ = 40462860.

The previous prime is 40462853. The next prime is 40462879. The reversal of 40462861 is 16826404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39765636 + 697225 = 6306^2 + 835^2 .

It is a cyclic number.

It is not a de Polignac number, because 40462861 - 2³ = 40462853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40462561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20231430 + 20231431.

It is an arithmetic number, because the mean of its divisors is an integer number (20231431).

Almost surely, 2^40462861 is an apocalyptic number.

It is an amenable number.

40462861 is a deficient number, since it is larger than the sum of its proper divisors (1).

40462861 is an equidigital number, since it uses as much as digits as its factorization.

40462861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 40462861 is about 6361.0424460146. The cubic root of 40462861 is about 343.3092689536.

The spelling of 40462861 in words is "forty million, four hundred sixty-two thousand, eight hundred sixty-one".