1400264407 has 2 divisors, whose sum is σ = 1400264408. Its totient is φ = 1400264406.

The previous prime is 1400264401. The next prime is 1400264419. The reversal of 1400264407 is 7044620041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1400264407 - 2²⁷ = 1266046679 is a prime.

It is a super-2 number, since 2×1400264407² = 3921480819022123298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400264401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700132203 + 700132204.

It is an arithmetic number, because the mean of its divisors is an integer number (700132204).

Almost surely, 2^1400264407 is an apocalyptic number.

1400264407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400264407 is an equidigital number, since it uses as much as digits as its factorization.

1400264407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 1400264407 is about 37420.1069880886. The cubic root of 1400264407 is about 1118.7593636452.

Adding to 1400264407 its reverse (7044620041), we get a palindrome (8444884448).

The spelling of 1400264407 in words is "one billion, four hundred million, two hundred sixty-four thousand, four hundred seven".