406106523120 has 40 divisors (see below), whose sum is σ = 1258930222416. Its totient is φ = 108295072768.

The previous prime is 406106523107. The next prime is 406106523217. The reversal of 406106523120 is 21325601604.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 846055017 + ... + 846055496.

Almost surely, 2^406106523120 is an apocalyptic number.

406106523120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

406106523120 is an abundant number, since it is smaller than the sum of its proper divisors (852823699296).

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

406106523120 is a wasteful number, since it uses less digits than its factorization.

406106523120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692110529 (or 1692110523 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 406106523120 in words is "four hundred six billion, one hundred six million, five hundred twenty-three thousand, one hundred twenty".