1000401522160 has 80 divisors (see below), whose sum is σ = 2334550391712. Its totient is φ = 398679321600.

The previous prime is 1000401522089. The next prime is 1000401522161. The reversal of 1000401522160 is 612251040001.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000401522161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64363990 + ... + 64379530.

Almost surely, 2^{1000401522160} is an apocalyptic number.

1000401522160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000401522160 is an abundant number, since it is smaller than the sum of its proper divisors (1334148869552).

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

1000401522160 is a wasteful number, since it uses less digits than its factorization.

1000401522160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18482 (or 18476 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 1000401522160 its reverse (612251040001), we get a palindrome (1612652562161).

The spelling of 1000401522160 in words is "one trillion, four hundred one million, five hundred twenty-two thousand, one hundred sixty".