401244102 has 48 divisors (see below), whose sum is σ = 994935552. Its totient is φ = 114482160.

The previous prime is 401244101. The next prime is 401244139. The reversal of 401244102 is 201442104.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401244101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112527 + ... + 116037.

It is an arithmetic number, because the mean of its divisors is an integer number (20727824).

Almost surely, 2^401244102 is an apocalyptic number.

401244102 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

401244102 is an abundant number, since it is smaller than the sum of its proper divisors (593691450).

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

401244102 is a wasteful number, since it uses less digits than its factorization.

401244102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433 (or 4430 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 401244102 is about 20031.0784033212. The cubic root of 401244102 is about 737.5693942937.

Adding to 401244102 its reverse (201442104), we get a palindrome (602686206).

The spelling of 401244102 in words is "four hundred one million, two hundred forty-four thousand, one hundred two".