1040206246388 has 24 divisors (see below), whose sum is σ = 1861016187072. Its totient is φ = 508600661184.

The previous prime is 1040206246381. The next prime is 1040206246441. The reversal of 1040206246388 is 8836426020401.

It is a super-2 number, since 2×1040206246388² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040206246381) 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, 14128856 + ... + 14202287.

It is an arithmetic number, because the mean of its divisors is an integer number (77542341128).

Almost surely, 2^{1040206246388} is an apocalyptic number.

It is an amenable number.

1040206246388 is a deficient number, since it is larger than the sum of its proper divisors (820809940684).

1040206246388 is a wasteful number, since it uses less digits than its factorization.

1040206246388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28331351 (or 28331349 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 44.

The spelling of 1040206246388 in words is "one trillion, forty billion, two hundred six million, two hundred forty-six thousand, three hundred eighty-eight".