400510155140401 has 2 divisors, whose sum is σ = 400510155140402. Its totient is φ = 400510155140400.

The previous prime is 400510155140393. The next prime is 400510155140411. The reversal of 400510155140401 is 104041551015004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 388011243396001 + 12498911744400 = 19698001^2 + 3535380^2 .

It is a cyclic number.

It is not a de Polignac number, because 400510155140401 - 2³ = 400510155140393 is a prime.

It is not a weakly prime, because it can be changed into another prime (400510155140411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200255077570200 + 200255077570201.

It is an arithmetic number, because the mean of its divisors is an integer number (200255077570201).

Almost surely, 2^{400510155140401} is an apocalyptic number.

It is an amenable number.

400510155140401 is a deficient number, since it is larger than the sum of its proper divisors (1).

400510155140401 is an equidigital number, since it uses as much as digits as its factorization.

400510155140401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8000, while the sum is 31.

The spelling of 400510155140401 in words is "four hundred trillion, five hundred ten billion, one hundred fifty-five million, one hundred forty thousand, four hundred one".