773943342480 has 400 divisors, whose sum is σ = 3351299681664. Its totient is φ = 160819292160.

The previous prime is 773943342467. The next prime is 773943342493. The reversal of 773943342480 is 84243349377.

773943342480 is a `hidden beast` number, since 7 + 7 + 3 + 94 + 33 + 42 + 480 = 666.

It is an interprime number because it is at equal distance from previous prime (773943342467) and next prime (773943342493).

It is a super-2 number, since 2×773943342480² (a number of 25 digits) contains 22 as substring.

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 79 ways as a sum of consecutive naturals, for example, 276597 + ... + 1274516.

Almost surely, 2^773943342480 is an apocalyptic number.

773943342480 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 773943342480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1675649840832).

773943342480 is an abundant number, since it is smaller than the sum of its proper divisors (2577356339184).

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

773943342480 is a wasteful number, since it uses less digits than its factorization.

773943342480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551156 (or 1551141 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 54.

The spelling of 773943342480 in words is "seven hundred seventy-three billion, nine hundred forty-three million, three hundred forty-two thousand, four hundred eighty".