1420400346052 has 6 divisors (see below), whose sum is σ = 2485700605598. Its totient is φ = 710200173024.

The previous prime is 1420400346047. The next prime is 1420400346151. The reversal of 1420400346052 is 2506430040241.

It can be written as a sum of positive squares in only one way, i.e., 743571637636 + 676828708416 = 862306^2 + 822696^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177550043253 + ... + 177550043260.

Almost surely, 2^{1420400346052} is an apocalyptic number.

It is an amenable number.

1420400346052 is a deficient number, since it is larger than the sum of its proper divisors (1065300259546).

1420400346052 is a wasteful number, since it uses less digits than its factorization.

1420400346052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355100086517 (or 355100086515 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 1420400346052 its reverse (2506430040241), we get a palindrome (3926830386293).

The spelling of 1420400346052 in words is "one trillion, four hundred twenty billion, four hundred million, three hundred forty-six thousand, fifty-two".