1403402412 has 12 divisors (see below), whose sum is σ = 3274605656. Its totient is φ = 467800800.

The previous prime is 1403402393. The next prime is 1403402437. The reversal of 1403402412 is 2142043041.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58475089 + ... + 58475112.

Almost surely, 2^1403402412 is an apocalyptic number.

1403402412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1403402412 is an abundant number, since it is smaller than the sum of its proper divisors (1871203244).

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

1403402412 is a wasteful number, since it uses less digits than its factorization.

1403402412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116950208 (or 116950206 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1403402412 is about 37462.0129197565. The cubic root of 1403402412 is about 1119.5944567026.

Adding to 1403402412 its reverse (2142043041), we get a palindrome (3545445453).

The spelling of 1403402412 in words is "one billion, four hundred three million, four hundred two thousand, four hundred twelve".