40998865057488 has 120 divisors (see below), whose sum is σ = 123715082847720. Its totient is φ = 12599817753600.

The previous prime is 40998865057453. The next prime is 40998865057499. The reversal of 40998865057488 is 88475056889904.

40998865057488 is a `hidden beast` number, since 4 + 0 + 9 + 9 + 8 + 86 + 5 + 0 + 57 + 488 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 181179625104 + 40817685432384 = 425652^2 + 6388872^2 .

It is a super-2 number, since 2×40998865057488² (a number of 28 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 23 ways as a sum of consecutive naturals, for example, 11657463 + ... + 14761238.

It is an arithmetic number, because the mean of its divisors is an integer number (1030959023731).

Almost surely, 2^{40998865057488} is an apocalyptic number.

40998865057488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40998865057488 is an abundant number, since it is smaller than the sum of its proper divisors (82716217790232).

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

40998865057488 is a wasteful number, since it uses less digits than its factorization.

40998865057488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26419557 (or 26419548 counting only the distinct ones).

The product of its (nonzero) digits is 5573836800, while the sum is 81.

The spelling of 40998865057488 in words is "forty trillion, nine hundred ninety-eight billion, eight hundred sixty-five million, fifty-seven thousand, four hundred eighty-eight".