1400035240 has 32 divisors (see below), whose sum is σ = 3178989000. Its totient is φ = 554874624.

The previous prime is 1400035229. The next prime is 1400035253. The reversal of 1400035240 is 425300041.

It can be written as a sum of positive squares in 4 ways, for example, as 1166495716 + 233539524 = 34154^2 + 15282^2 .

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, 156195 + ... + 164914.

Almost surely, 2^1400035240 is an apocalyptic number.

1400035240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400035240 is an abundant number, since it is smaller than the sum of its proper divisors (1778953760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1400035240 is a wasteful number, since it uses less digits than its factorization.

1400035240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321229 (or 321225 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1400035240 is about 37417.0447790843. The cubic root of 1400035240 is about 1118.6983283356.

Adding to 1400035240 its reverse (425300041), we get a palindrome (1825335281).

The spelling of 1400035240 in words is "one billion, four hundred million, thirty-five thousand, two hundred forty".