1040397850998 has 24 divisors (see below), whose sum is σ = 2459122193736. Its totient is φ = 315272076000.

The previous prime is 1040397850997. The next prime is 1040397851039. The reversal of 1040397850998 is 8990587930401.

1040397850998 is a `hidden beast` number, since 1 + 0 + 4 + 0 + 39 + 7 + 8 + 509 + 98 = 666.

It is a super-2 number, since 2×1040397850998² (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 (1040397850991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2627267103 + ... + 2627267498.

It is an arithmetic number, because the mean of its divisors is an integer number (102463424739).

Almost surely, 2^{1040397850998} is an apocalyptic number.

1040397850998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1040397850998 is an abundant number, since it is smaller than the sum of its proper divisors (1418724342738).

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

1040397850998 is a wasteful number, since it uses less digits than its factorization.

1040397850998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5254534620 (or 5254534617 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 63.

The spelling of 1040397850998 in words is "one trillion, forty billion, three hundred ninety-seven million, eight hundred fifty thousand, nine hundred ninety-eight".