1670400523340 has 48 divisors (see below), whose sum is σ = 3521825455680. Its totient is φ = 665501491200.

The previous prime is 1670400523279. The next prime is 1670400523369. The reversal of 1670400523340 is 433250040761.

It is a self number, because there is not a number n which added to its sum of digits gives 1670400523340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5242721 + ... + 5552199.

It is an arithmetic number, because the mean of its divisors is an integer number (73371363660).

Almost surely, 2^{1670400523340} is an apocalyptic number.

1670400523340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1670400523340 is an abundant number, since it is smaller than the sum of its proper divisors (1851424932340).

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

1670400523340 is a wasteful number, since it uses less digits than its factorization.

1670400523340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310562 (or 310560 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 1670400523340 in words is "one trillion, six hundred seventy billion, four hundred million, five hundred twenty-three thousand, three hundred forty".