46400881 has 2 divisors, whose sum is σ = 46400882. Its totient is φ = 46400880.

The previous prime is 46400863. The next prime is 46400897. The reversal of 46400881 is 18800464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46022656 + 378225 = 6784^2 + 615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46400881 is a prime.

It is a super-2 number, since 2×46400881² = 4306083515152322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (46400801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23200440 + 23200441.

It is an arithmetic number, because the mean of its divisors is an integer number (23200441).

Almost surely, 2^46400881 is an apocalyptic number.

It is an amenable number.

46400881 is a deficient number, since it is larger than the sum of its proper divisors (1).

46400881 is an equidigital number, since it uses as much as digits as its factorization.

46400881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 46400881 is about 6811.8192136903. The cubic root of 46400881 is about 359.3426300876.

The spelling of 46400881 in words is "forty-six million, four hundred thousand, eight hundred eighty-one".