740780557920 has 384 divisors, whose sum is σ = 2867645047680. Its totient is φ = 177417216000.

The previous prime is 740780557919. The next prime is 740780558003. The reversal of 740780557920 is 29755087047.

It is a happy number.

740780557920 is a `hidden beast` number, since 7 + 4 + 0 + 7 + 80 + 557 + 9 + 2 + 0 = 666.

740780557920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1899670 + ... + 2256170.

It is an arithmetic number, because the mean of its divisors is an integer number (7467825645).

Almost surely, 2^740780557920 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 740780557920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1433822523840).

740780557920 is an abundant number, since it is smaller than the sum of its proper divisors (2126864489760).

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

740780557920 is a wasteful number, since it uses less digits than its factorization.

740780557920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356575 (or 356561 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 54.

The spelling of 740780557920 in words is "seven hundred forty billion, seven hundred eighty million, five hundred fifty-seven thousand, nine hundred twenty".