400014531377 has 2 divisors, whose sum is σ = 400014531378. Its totient is φ = 400014531376.

The previous prime is 400014531373. The next prime is 400014531443. The reversal of 400014531377 is 773135410004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231626588176 + 168387943201 = 481276^2 + 410351^2 .

It is a cyclic number.

It is not a de Polignac number, because 400014531377 - 2² = 400014531373 is a prime.

It is a super-2 number, since 2×400014531377² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (400014531373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200007265688 + 200007265689.

It is an arithmetic number, because the mean of its divisors is an integer number (200007265689).

Almost surely, 2^400014531377 is an apocalyptic number.

It is an amenable number.

400014531377 is a deficient number, since it is larger than the sum of its proper divisors (1).

400014531377 is an equidigital number, since it uses as much as digits as its factorization.

400014531377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 400014531377 in words is "four hundred billion, fourteen million, five hundred thirty-one thousand, three hundred seventy-seven".