202401401000 has 32 divisors (see below), whose sum is σ = 473619280680. Its totient is φ = 80960560000.

The previous prime is 202401400961. The next prime is 202401401003. The reversal of 202401401000 is 104104202.

It can be written as a sum of positive squares in 4 ways, for example, as 57945155524 + 144456245476 = 240718^2 + 380074^2 .

It is not an unprimeable number, because it can be changed into a prime (202401401003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101199701 + ... + 101201700.

Almost surely, 2^202401401000 is an apocalyptic number.

202401401000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202401401000 is an abundant number, since it is smaller than the sum of its proper divisors (271217879680).

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

202401401000 is a wasteful number, since it uses less digits than its factorization.

202401401000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202401422 (or 202401408 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202401401000 its reverse (104104202), we get a palindrome (202505505202).

The spelling of 202401401000 in words is "two hundred two billion, four hundred one million, four hundred one thousand".