1403426512 has 80 divisors (see below), whose sum is σ = 2917134720. Its totient is φ = 652608000.

The previous prime is 1403426501. The next prime is 1403426527. The reversal of 1403426512 is 2156243041.

It is a super-2 number, since 2×1403426512² = 3939211949168972288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2266939 + ... + 2267557.

It is an arithmetic number, because the mean of its divisors is an integer number (36464184).

Almost surely, 2^1403426512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1403426512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1458567360).

1403426512 is an abundant number, since it is smaller than the sum of its proper divisors (1513708208).

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

1403426512 is a wasteful number, since it uses less digits than its factorization.

1403426512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1403426512 is about 37462.3345775460. The cubic root of 1403426512 is about 1119.6008654303.

Adding to 1403426512 its reverse (2156243041), we get a palindrome (3559669553).

The spelling of 1403426512 in words is "one billion, four hundred three million, four hundred twenty-six thousand, five hundred twelve".