1406505614652 has 36 divisors (see below), whose sum is σ = 3555736220400. Its totient is φ = 468782116992.

The previous prime is 1406505614641. The next prime is 1406505614669. The reversal of 1406505614652 is 2564165056041.

1406505614652 is a `hidden beast` number, since 1 + 40 + 6 + 5 + 0 + 561 + 46 + 5 + 2 = 666.

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

It is a super-2 number, since 2×1406505614652² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1406505614598 and 1406505614607.

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, 1889008 + ... + 2526135.

Almost surely, 2^{1406505614652} is an apocalyptic number.

1406505614652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1406505614652 is an abundant number, since it is smaller than the sum of its proper divisors (2149230605748).

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

1406505614652 is a wasteful number, since it uses less digits than its factorization.

1406505614652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4424002 (or 4423997 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 1406505614652 in words is "one trillion, four hundred six billion, five hundred five million, six hundred fourteen thousand, six hundred fifty-two".