4026616993890 has 48 divisors (see below), whose sum is σ = 11085039728568. Its totient is φ = 1010601911808.

The previous prime is 4026616993879. The next prime is 4026616993921. The reversal of 4026616993890 is 983996166204.

4026616993890 is a `hidden beast` number, since 4 + 0 + 2 + 6 + 616 + 9 + 9 + 3 + 8 + 9 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4018529409129 + 8087584761 = 2004627^2 + 89931^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1315886377 + ... + 1315889436.

Almost surely, 2^{4026616993890} is an apocalyptic number.

4026616993890 is an abundant number, since it is smaller than the sum of its proper divisors (7058422734678).

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

4026616993890 is a wasteful number, since it uses less digits than its factorization.

4026616993890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631775843 (or 2631775840 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 63.

The spelling of 4026616993890 in words is "four trillion, twenty-six billion, six hundred sixteen million, nine hundred ninety-three thousand, eight hundred ninety".