401102402240 has 112 divisors (see below), whose sum is σ = 1006330411008. Its totient is φ = 151975025664.

The previous prime is 401102402153. The next prime is 401102402243. The reversal of 401102402240 is 42204201104.

It is a super-3 number, since 3×401102402240³ (a number of 36 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (401102402243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493529 + ... + 1022631.

Almost surely, 2^401102402240 is an apocalyptic number.

401102402240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401102402240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503165205504).

401102402240 is an abundant number, since it is smaller than the sum of its proper divisors (605228008768).

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

401102402240 is a wasteful number, since it uses less digits than its factorization.

401102402240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529246 (or 529236 counting only the distinct ones).

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

Adding to 401102402240 its reverse (42204201104), we get a palindrome (443306603344).

The spelling of 401102402240 in words is "four hundred one billion, one hundred two million, four hundred two thousand, two hundred forty".