773496540432 has 480 divisors, whose sum is σ = 2953123488000. Its totient is φ = 189088542720.

The previous prime is 773496540419. The next prime is 773496540433. The reversal of 773496540432 is 234045694377.

It is a happy number.

773496540432 is a `hidden beast` number, since 7 + 7 + 3 + 4 + 96 + 540 + 4 + 3 + 2 = 666.

It is a super-2 number, since 2×773496540432² (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 not an unprimeable number, because it can be changed into a prime (773496540433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6158194 + ... + 6282542.

It is an arithmetic number, because the mean of its divisors is an integer number (6152340600).

Almost surely, 2^773496540432 is an apocalyptic number.

773496540432 is a gapful number since it is divisible by the number (72) 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 773496540432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1476561744000).

773496540432 is an abundant number, since it is smaller than the sum of its proper divisors (2179626947568).

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

773496540432 is a wasteful number, since it uses less digits than its factorization.

773496540432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124412 (or 124389 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 54.

The spelling of 773496540432 in words is "seven hundred seventy-three billion, four hundred ninety-six million, five hundred forty thousand, four hundred thirty-two".