401817449970 has 48 divisors (see below), whose sum is σ = 1044770717952. Its totient is φ = 107146668960.

The previous prime is 401817449899. The next prime is 401817449993. The reversal of 401817449970 is 79944718104.

401817449970 is a `hidden beast` number, since 4 + 0 + 1 + 81 + 7 + 4 + 499 + 70 = 666.

It is a super-2 number, since 2×401817449970² (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 23 ways as a sum of consecutive naturals, for example, 2321535 + ... + 2488605.

It is an arithmetic number, because the mean of its divisors is an integer number (21766056624).

Almost surely, 2^401817449970 is an apocalyptic number.

401817449970 is an abundant number, since it is smaller than the sum of its proper divisors (642953267982).

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

401817449970 is a wasteful number, since it uses less digits than its factorization.

401817449970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193807 (or 193804 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 401817449970 in words is "four hundred one billion, eight hundred seventeen million, four hundred forty-nine thousand, nine hundred seventy".