1990332517036 has 24 divisors (see below), whose sum is σ = 3496019824640. Its totient is φ = 991470979152.

The previous prime is 1990332517027. The next prime is 1990332517037. The reversal of 1990332517036 is 6307152330991.

It is a super-2 number, since 2×1990332517036² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1990332517037) 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, 6236725 + ... + 6548083.

Almost surely, 2^{1990332517036} is an apocalyptic number.

It is an amenable number.

1990332517036 is a deficient number, since it is larger than the sum of its proper divisors (1505687307604).

1990332517036 is a wasteful number, since it uses less digits than its factorization.

1990332517036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317293 (or 317291 counting only the distinct ones).

The product of its (nonzero) digits is 918540, while the sum is 49.

The spelling of 1990332517036 in words is "one trillion, nine hundred ninety billion, three hundred thirty-two million, five hundred seventeen thousand, thirty-six".