1408400351 has 2 divisors, whose sum is σ = 1408400352. Its totient is φ = 1408400350.

The previous prime is 1408400321. The next prime is 1408400363. The reversal of 1408400351 is 1530048041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1408400351 - 2¹⁰ = 1408399327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1408400351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1408400321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704200175 + 704200176.

It is an arithmetic number, because the mean of its divisors is an integer number (704200176).

Almost surely, 2^1408400351 is an apocalyptic number.

1408400351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1408400351 is an equidigital number, since it uses as much as digits as its factorization.

1408400351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1408400351 is about 37528.6603944239. The cubic root of 1408400351 is about 1120.9219531846.

Adding to 1408400351 its reverse (1530048041), we get a palindrome (2938448392).

The spelling of 1408400351 in words is "one billion, four hundred eight million, four hundred thousand, three hundred fifty-one".