76403640040432 has 40 divisors (see below), whose sum is σ = 152350315920000. Its totient is φ = 37091740476672.

The previous prime is 76403640040417. The next prime is 76403640040439. The reversal of 76403640040432 is 23404004630467.

It is a super-2 number, since 2×76403640040432² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76403640040439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134434807 + ... + 135001942.

It is an arithmetic number, because the mean of its divisors is an integer number (3808757898000).

Almost surely, 2^{76403640040432} is an apocalyptic number.

It is an amenable number.

76403640040432 is a deficient number, since it is larger than the sum of its proper divisors (75946675879568).

76403640040432 is a wasteful number, since it uses less digits than its factorization.

76403640040432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269437273 (or 269437267 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 43.

Adding to 76403640040432 its reverse (23404004630467), we get a palindrome (99807644670899).

The spelling of 76403640040432 in words is "seventy-six trillion, four hundred three billion, six hundred forty million, forty thousand, four hundred thirty-two".