103402442240 has 40 divisors (see below), whose sum is σ = 247923518040. Its totient is φ = 41360975872.

The previous prime is 103402442197. The next prime is 103402442279. The reversal of 103402442240 is 42244204301.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×103402442240² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20193230 + ... + 20198349.

It is an arithmetic number, because the mean of its divisors is an integer number (6198087951).

Almost surely, 2^103402442240 is an apocalyptic number.

103402442240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103402442240 is an abundant number, since it is smaller than the sum of its proper divisors (144521075800).

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

103402442240 is an frugal number, since it uses more digits than its factorization.

103402442240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40391602 (or 40391586 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 103402442240 its reverse (42244204301), we get a palindrome (145646646541).

The spelling of 103402442240 in words is "one hundred three billion, four hundred two million, four hundred forty-two thousand, two hundred forty".