801498937998 has 64 divisors (see below), whose sum is σ = 1789749891072. Its totient is φ = 237182813280.

The previous prime is 801498937957. The next prime is 801498938029. The reversal of 801498937998 is 899739894108.

It is a super-2 number, since 2×801498937998² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15762411 + ... + 15813177.

It is an arithmetic number, because the mean of its divisors is an integer number (27964842048).

Almost surely, 2^801498937998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 801498937998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (894874945536).

801498937998 is an abundant number, since it is smaller than the sum of its proper divisors (988250953074).

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

801498937998 is a wasteful number, since it uses less digits than its factorization.

801498937998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56389.

The product of its (nonzero) digits is 282175488, while the sum is 75.

The spelling of 801498937998 in words is "eight hundred one billion, four hundred ninety-eight million, nine hundred thirty-seven thousand, nine hundred ninety-eight".