1400421044 has 24 divisors (see below), whose sum is σ = 2681991648. Its totient is φ = 634540640.

The previous prime is 1400421041. The next prime is 1400421059. The reversal of 1400421044 is 4401240041.

It is a happy number.

It is a super-2 number, since 2×1400421044² = 3922358200956099872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400421041) by changing a digit.

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, 36254 + ... + 64149.

It is an arithmetic number, because the mean of its divisors is an integer number (111749652).

Almost surely, 2^1400421044 is an apocalyptic number.

It is an amenable number.

1400421044 is a deficient number, since it is larger than the sum of its proper divisors (1281570604).

1400421044 is a wasteful number, since it uses less digits than its factorization.

1400421044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100735 (or 100733 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1400421044 is about 37422.1998818883. The cubic root of 1400421044 is about 1118.8010778090.

Adding to 1400421044 its reverse (4401240041), we get a palindrome (5801661085).

The spelling of 1400421044 in words is "one billion, four hundred million, four hundred twenty-one thousand, forty-four".