10550145731840 has 288 divisors, whose sum is σ = 29934310275072. Its totient is φ = 3541300224000.

The previous prime is 10550145731833. The next prime is 10550145731857. The reversal of 10550145731840 is 4813754105501.

It is a super-2 number, since 2×10550145731840² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 10550145731791 and 10550145731800.

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, 21909665 + ... + 22386015.

It is an arithmetic number, because the mean of its divisors is an integer number (103938577344).

Almost surely, 2^{10550145731840} is an apocalyptic number.

10550145731840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10550145731840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14967155137536).

10550145731840 is an abundant number, since it is smaller than the sum of its proper divisors (19384164543232).

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

10550145731840 is an equidigital number, since it uses as much as digits as its factorization.

10550145731840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476418 (or 476382 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 44.

The spelling of 10550145731840 in words is "ten trillion, five hundred fifty billion, one hundred forty-five million, seven hundred thirty-one thousand, eight hundred forty".