1400431036 has 12 divisors (see below), whose sum is σ = 2460292128. Its totient is φ = 697490432.

The previous prime is 1400430991. The next prime is 1400431037. The reversal of 1400431036 is 6301340041.

It is a super-2 number, since 2×1400431036² = 3922414173184066592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1400430998 and 1400431016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400431037) 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 3 ways as a sum of consecutive naturals, for example, 680116 + ... + 682171.

It is an arithmetic number, because the mean of its divisors is an integer number (205024344).

Almost surely, 2^1400431036 is an apocalyptic number.

It is an amenable number.

1400431036 is a deficient number, since it is larger than the sum of its proper divisors (1059861092).

1400431036 is a wasteful number, since it uses less digits than its factorization.

1400431036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362548 (or 1362546 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1400431036 is about 37422.3333852928. Note that the first 4 decimals coincide. The cubic root of 1400431036 is about 1118.8037386835.

Adding to 1400431036 its reverse (6301340041), we get a palindrome (7701771077).

The spelling of 1400431036 in words is "one billion, four hundred million, four hundred thirty-one thousand, thirty-six".