119400780 has 48 divisors (see below), whose sum is σ = 337407840. Its totient is φ = 31546368.

The previous prime is 119400773. The next prime is 119400781. The reversal of 119400780 is 87004911.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (119400781) 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, 2589 + ... + 15668.

It is an arithmetic number, because the mean of its divisors is an integer number (7029330).

Almost surely, 2^119400780 is an apocalyptic number.

119400780 is a gapful number since it is divisible by the number (10) 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 119400780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168703920).

119400780 is an abundant number, since it is smaller than the sum of its proper divisors (218007060).

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

119400780 is a wasteful number, since it uses less digits than its factorization.

119400780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18378 (or 18376 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 119400780 is about 10927.0663949662. The cubic root of 119400780 is about 492.4200425050.

The spelling of 119400780 in words is "one hundred nineteen million, four hundred thousand, seven hundred eighty".