401240092 has 12 divisors (see below), whose sum is σ = 766003896. Its totient is φ = 182381840.

The previous prime is 401240087. The next prime is 401240093. The reversal of 401240092 is 290042104.

It is a super-2 number, since 2×401240092² = 321987222856336928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401240093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4559503 + ... + 4559590.

It is an arithmetic number, because the mean of its divisors is an integer number (63833658).

Almost surely, 2^401240092 is an apocalyptic number.

It is an amenable number.

401240092 is a deficient number, since it is larger than the sum of its proper divisors (364763804).

401240092 is a wasteful number, since it uses less digits than its factorization.

401240092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9119108 (or 9119106 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 401240092 is about 20030.9783086099. The cubic root of 401240092 is about 737.5669372166.

Adding to 401240092 its reverse (290042104), we get a palindrome (691282196).

The spelling of 401240092 in words is "four hundred one million, two hundred forty thousand, ninety-two".