1406660554044 has 36 divisors (see below), whose sum is σ = 3651825976344. Its totient is φ = 456214233312.

The previous prime is 1406660554037. The next prime is 1406660554099. The reversal of 1406660554044 is 4404550666041.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×1406660554044³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 528024402 + ... + 528027065.

It is an arithmetic number, because the mean of its divisors is an integer number (101439610454).

Almost surely, 2^{1406660554044} is an apocalyptic number.

It is an amenable number.

1406660554044 is an abundant number, since it is smaller than the sum of its proper divisors (2245165422300).

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

1406660554044 is a wasteful number, since it uses less digits than its factorization.

1406660554044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056051514 (or 1056051509 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 1406660554044 in words is "one trillion, four hundred six billion, six hundred sixty million, five hundred fifty-four thousand, forty-four".