1406455220378 has 16 divisors (see below), whose sum is σ = 2345255356416. Its totient is φ = 628193398320.

The previous prime is 1406455220353. The next prime is 1406455220381. The reversal of 1406455220378 is 8730225546041.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872490026 + ... + 872491637.

It is an arithmetic number, because the mean of its divisors is an integer number (146578459776).

Almost surely, 2^{1406455220378} is an apocalyptic number.

1406455220378 is a deficient number, since it is larger than the sum of its proper divisors (938800136038).

1406455220378 is a wasteful number, since it uses less digits than its factorization.

1406455220378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744981709.

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 1406455220378 in words is "one trillion, four hundred six billion, four hundred fifty-five million, two hundred twenty thousand, three hundred seventy-eight".