1400200405 has 16 divisors (see below), whose sum is σ = 1762887168. Its totient is φ = 1066248000.

The previous prime is 1400200397. The next prime is 1400200409. The reversal of 1400200405 is 5040020041.

It is not a de Polignac number, because 1400200405 - 2³ = 1400200397 is a prime.

It is a super-2 number, since 2×1400200405² = 3921122348324328050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400200409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64591 + ... + 83500.

It is an arithmetic number, because the mean of its divisors is an integer number (110180448).

Almost surely, 2^1400200405 is an apocalyptic number.

It is an amenable number.

1400200405 is a deficient number, since it is larger than the sum of its proper divisors (362686763).

1400200405 is a wasteful number, since it uses less digits than its factorization.

1400200405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148188.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1400200405 is about 37419.2517963681. The cubic root of 1400200405 is about 1118.7423183102.

Adding to 1400200405 its reverse (5040020041), we get a palindrome (6440220446).

The spelling of 1400200405 in words is "one billion, four hundred million, two hundred thousand, four hundred five".