401580249906 has 16 divisors (see below), whose sum is σ = 876175090848. Its totient is φ = 121690984800.

The previous prime is 401580249883. The next prime is 401580249919. The reversal of 401580249906 is 609942085104.

It is a super-2 number, since 2×401580249906² (a number of 24 digits) contains 22 as substring.

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, 3042274555 + ... + 3042274686.

It is an arithmetic number, because the mean of its divisors is an integer number (54760943178).

Almost surely, 2^401580249906 is an apocalyptic number.

401580249906 is an abundant number, since it is smaller than the sum of its proper divisors (474594840942).

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

401580249906 is a wasteful number, since it uses less digits than its factorization.

401580249906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6084549257.

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 401580249906 in words is "four hundred one billion, five hundred eighty million, two hundred forty-nine thousand, nine hundred six".