746388639360 has 2560 divisors, whose sum is σ = 3573974638080. Its totient is φ = 143964241920.

The previous prime is 746388639317. The next prime is 746388639383. The reversal of 746388639360 is 63936883647.

It is a happy number.

746388639360 is a `hidden beast` number, since 7 + 463 + 8 + 86 + 3 + 93 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 3288055567 + ... + 3288055793.

It is an arithmetic number, because the mean of its divisors is an integer number (1396083843).

Almost surely, 2^746388639360 is an apocalyptic number.

746388639360 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 746388639360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1786987319040).

746388639360 is an abundant number, since it is smaller than the sum of its proper divisors (2827585998720).

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

746388639360 is a wasteful number, since it uses less digits than its factorization.

746388639360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 63.

The spelling of 746388639360 in words is "seven hundred forty-six billion, three hundred eighty-eight million, six hundred thirty-nine thousand, three hundred sixty".