103549220640 has 576 divisors, whose sum is σ = 385645059072. Its totient is φ = 26202009600.

The previous prime is 103549220603. The next prime is 103549220651. The reversal of 103549220640 is 46022945301.

It is a happy number.

103549220640 is a `hidden beast` number, since 1 + 0 + 3 + 5 + 4 + 9 + 2 + 2 + 0 + 640 = 666.

It is a super-3 number, since 3×103549220640³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 103549220595 and 103549220604.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 63879030 + ... + 63880650.

It is an arithmetic number, because the mean of its divisors is an integer number (669522672).

Almost surely, 2^103549220640 is an apocalyptic number.

103549220640 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 103549220640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192822529536).

103549220640 is an abundant number, since it is smaller than the sum of its proper divisors (282095838432).

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

103549220640 is a wasteful number, since it uses less digits than its factorization.

103549220640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735 (or 1715 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 103549220640 in words is "one hundred three billion, five hundred forty-nine million, two hundred twenty thousand, six hundred forty".