740198178720 has 3888 divisors, whose sum is σ = 3817690924320. Its totient is φ = 134503649280.

The previous prime is 740198178691. The next prime is 740198178743. The reversal of 740198178720 is 27871891047.

It is a tau number, because it is divible by the number of its divisors (3888).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 647 ways as a sum of consecutive naturals, for example, 38957798871 + ... + 38957798889.

It is an arithmetic number, because the mean of its divisors is an integer number (981916390).

Almost surely, 2^740198178720 is an apocalyptic number.

740198178720 is a gapful number since it is divisible by the number (70) 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 740198178720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1908845462160).

740198178720 is an abundant number, since it is smaller than the sum of its proper divisors (3077492745600).

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

740198178720 is a wasteful number, since it uses less digits than its factorization.

740198178720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 54.

The spelling of 740198178720 in words is "seven hundred forty billion, one hundred ninety-eight million, one hundred seventy-eight thousand, seven hundred twenty".