765031400432 has 160 divisors (see below), whose sum is σ = 1694184898560. Its totient is φ = 332094919680.

The previous prime is 765031400407. The next prime is 765031400443. The reversal of 765031400432 is 234004130567.

It is a junction number, because it is equal to n+sod(n) for n = 765031400392 and 765031400401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 419654273 + ... + 419656095.

It is an arithmetic number, because the mean of its divisors is an integer number (10588655616).

Almost surely, 2^765031400432 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 765031400432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (847092449280).

765031400432 is an abundant number, since it is smaller than the sum of its proper divisors (929153498128).

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

765031400432 is a wasteful number, since it uses less digits than its factorization.

765031400432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671 (or 3665 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

Adding to 765031400432 its reverse (234004130567), we get a palindrome (999035530999).

The spelling of 765031400432 in words is "seven hundred sixty-five billion, thirty-one million, four hundred thousand, four hundred thirty-two".