996633425490040 has 64 divisors (see below), whose sum is σ = 2414945007034560. Its totient is φ = 367983832550400.

The previous prime is 996633425490023. The next prime is 996633425490041. The reversal of 996633425490040 is 40094524336699.

It is a super-2 number, since 2×996633425490040² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996633425490041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39281932 + ... + 59467108.

It is an arithmetic number, because the mean of its divisors is an integer number (37733515734915).

Almost surely, 2^{996633425490040} is an apocalyptic number.

It is an amenable number.

996633425490040 is an abundant number, since it is smaller than the sum of its proper divisors (1418311581544520).

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

996633425490040 is a wasteful number, since it uses less digits than its factorization.

996633425490040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20280152 (or 20280148 counting only the distinct ones).

The product of its (nonzero) digits is 151165440, while the sum is 64.

The spelling of 996633425490040 in words is "nine hundred ninety-six trillion, six hundred thirty-three billion, four hundred twenty-five million, four hundred ninety thousand, forty".