100546421040 has 280 divisors, whose sum is σ = 377459330640. Its totient is φ = 24749701632.

The previous prime is 100546421039. The next prime is 100546421051. The reversal of 100546421040 is 40124645001.

100546421040 is a `hidden beast` number, since 1 + 0 + 0 + 5 + 4 + 642 + 10 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 100546420995 and 100546421013.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 691851 + ... + 824469.

It is an arithmetic number, because the mean of its divisors is an integer number (1348069038).

Almost surely, 2^100546421040 is an apocalyptic number.

100546421040 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 100546421040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188729665320).

100546421040 is an abundant number, since it is smaller than the sum of its proper divisors (276912909600).

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

100546421040 is a wasteful number, since it uses less digits than its factorization.

100546421040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132663 (or 132642 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 100546421040 in words is "one hundred billion, five hundred forty-six million, four hundred twenty-one thousand, forty".