1400504401 has 4 divisors (see below), whose sum is σ = 1417378032. Its totient is φ = 1383630772.

The previous prime is 1400504393. The next prime is 1400504407. The reversal of 1400504401 is 1044050041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1400504401 - 2³ = 1400504393 is a prime.

It is a super-2 number, since 2×1400504401² = 3922825154440737602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400504407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8436691 + ... + 8436856.

It is an arithmetic number, because the mean of its divisors is an integer number (354344508).

Almost surely, 2^1400504401 is an apocalyptic number.

It is an amenable number.

1400504401 is a deficient number, since it is larger than the sum of its proper divisors (16873631).

1400504401 is an equidigital number, since it uses as much as digits as its factorization.

1400504401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16873630.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1400504401 is about 37423.3136026194. The cubic root of 1400504401 is about 1118.8232754311.

Adding to 1400504401 its reverse (1044050041), we get a palindrome (2444554442).

The spelling of 1400504401 in words is "one billion, four hundred million, five hundred four thousand, four hundred one".