401404240100 has 36 divisors (see below), whose sum is σ = 876391084464. Its totient is φ = 159576648480.

The previous prime is 401404240093. The next prime is 401404240117. The reversal of 401404240100 is 1042404104.

It is a happy number.

It is a super-2 number, since 2×401404240100² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12296714 + ... + 12329313.

Almost surely, 2^401404240100 is an apocalyptic number.

It is an amenable number.

401404240100 is an abundant number, since it is smaller than the sum of its proper divisors (474986844364).

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

401404240100 is a wasteful number, since it uses less digits than its factorization.

401404240100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24626204 (or 24626197 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 401404240100 its reverse (1042404104), we get a palindrome (402446644204).

The spelling of 401404240100 in words is "four hundred one billion, four hundred four million, two hundred forty thousand, one hundred".