1402388906052 has 48 divisors (see below), whose sum is σ = 3289730834432. Its totient is φ = 464970080160.

The previous prime is 1402388906021. The next prime is 1402388906059. The reversal of 1402388906052 is 2506098832041.

It is a junction number, because it is equal to n+sod(n) for n = 1402388905992 and 1402388906010.

It is not an unprimeable number, because it can be changed into a prime (1402388906059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1618743 + ... + 2329185.

Almost surely, 2^{1402388906052} is an apocalyptic number.

1402388906052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1402388906052 is an abundant number, since it is smaller than the sum of its proper divisors (1887341928380).

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

1402388906052 is a wasteful number, since it uses less digits than its factorization.

1402388906052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711328 (or 711326 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 1402388906052 in words is "one trillion, four hundred two billion, three hundred eighty-eight million, nine hundred six thousand, fifty-two".