401121414440 has 32 divisors (see below), whose sum is σ = 955612783080. Its totient is φ = 151010414592.

The previous prime is 401121414439. The next prime is 401121414451. The reversal of 401121414440 is 44414121104.

It can be written as a sum of positive squares in 4 ways, for example, as 316962244036 + 84159170404 = 562994^2 + 290102^2 .

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, 294941537 + ... + 294942896.

Almost surely, 2^401121414440 is an apocalyptic number.

401121414440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401121414440 is an abundant number, since it is smaller than the sum of its proper divisors (554491368640).

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

401121414440 is a wasteful number, since it uses less digits than its factorization.

401121414440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589884461 (or 589884457 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 401121414440 its reverse (44414121104), we get a palindrome (445535535544).

The spelling of 401121414440 in words is "four hundred one billion, one hundred twenty-one million, four hundred fourteen thousand, four hundred forty".