1400240404 has 24 divisors (see below), whose sum is σ = 2481716160. Its totient is φ = 691227264.

The previous prime is 1400240393. The next prime is 1400240417. The reversal of 1400240404 is 4040420041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112987 + ... + 124765.

It is an arithmetic number, because the mean of its divisors is an integer number (103404840).

Almost surely, 2^1400240404 is an apocalyptic number.

It is an amenable number.

1400240404 is a deficient number, since it is larger than the sum of its proper divisors (1081475756).

1400240404 is a wasteful number, since it uses less digits than its factorization.

1400240404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12159 (or 12157 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1400240404 is about 37419.7862634195. The cubic root of 1400240404 is about 1118.7529711062.

Adding to 1400240404 its reverse (4040420041), we get a palindrome (5440660445).

The spelling of 1400240404 in words is "one billion, four hundred million, two hundred forty thousand, four hundred four".