406256146530 has 32 divisors (see below), whose sum is σ = 1050015887424. Its totient is φ = 100001512896.

The previous prime is 406256146519. The next prime is 406256146601. The reversal of 406256146530 is 35641652604.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520840824 + ... + 520841603.

It is an arithmetic number, because the mean of its divisors is an integer number (32812996482).

Almost surely, 2^406256146530 is an apocalyptic number.

406256146530 is an abundant number, since it is smaller than the sum of its proper divisors (643759740894).

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

406256146530 is a wasteful number, since it uses less digits than its factorization.

406256146530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041682450.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 406256146530 in words is "four hundred six billion, two hundred fifty-six million, one hundred forty-six thousand, five hundred thirty".