146440489406 has 8 divisors (see below), whose sum is σ = 223805276424. Its totient is φ = 71838730600.

The previous prime is 146440489397. The next prime is 146440489417. The reversal of 146440489406 is 604984044641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 690756920 + ... + 690757131.

It is an arithmetic number, because the mean of its divisors is an integer number (27975659553).

Almost surely, 2^146440489406 is an apocalyptic number.

146440489406 is a deficient number, since it is larger than the sum of its proper divisors (77364787018).

146440489406 is a wasteful number, since it uses less digits than its factorization.

146440489406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381514106.

The product of its (nonzero) digits is 2654208, while the sum is 50.

The spelling of 146440489406 in words is "one hundred forty-six billion, four hundred forty million, four hundred eighty-nine thousand, four hundred six".