117440442 has 112 divisors (see below), whose sum is σ = 311006592. Its totient is φ = 32542560.

The previous prime is 117440423. The next prime is 117440473. The reversal of 117440442 is 244044711.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 377467 + ... + 377777.

Almost surely, 2^117440442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117440442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155503296).

117440442 is an abundant number, since it is smaller than the sum of its proper divisors (193566150).

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

117440442 is an equidigital number, since it uses as much as digits as its factorization.

117440442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 117440442 is about 10836.9941404432. The cubic root of 117440442 is about 489.7102854930.

It can be divided in two parts, 1174 and 40442, that added together give a triangular number (41616 = T₂₈₈).

The spelling of 117440442 in words is "one hundred seventeen million, four hundred forty thousand, four hundred forty-two".