740188840 has 64 divisors (see below), whose sum is σ = 1767951360. Its totient is φ = 277939200.

The previous prime is 740188793. The next prime is 740188849. The reversal of 740188840 is 48881047.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 740188793 and 740188802.

It is not an unprimeable number, because it can be changed into a prime (740188849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313665 + ... + 316015.

It is an arithmetic number, because the mean of its divisors is an integer number (27624240).

Almost surely, 2^740188840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 740188840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (883975680).

740188840 is an abundant number, since it is smaller than the sum of its proper divisors (1027762520).

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

740188840 is a wasteful number, since it uses less digits than its factorization.

740188840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842 (or 2838 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 40.

The square root of 740188840 is about 27206.4117442929. The cubic root of 740188840 is about 904.5811030024.

The spelling of 740188840 in words is "seven hundred forty million, one hundred eighty-eight thousand, eight hundred forty".