100605541440 has 56 divisors (see below), whose sum is σ = 319422597120. Its totient is φ = 26828144128.

The previous prime is 100605541433. The next prime is 100605541469. The reversal of 100605541440 is 44145506001.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 100605541398 and 100605541407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52397760 + ... + 52399679.

Almost surely, 2^100605541440 is an apocalyptic number.

100605541440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100605541440 is an abundant number, since it is smaller than the sum of its proper divisors (218817055680).

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

100605541440 is a wasteful number, since it uses less digits than its factorization.

100605541440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104797459 (or 104797449 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 100605541440 in words is "one hundred billion, six hundred five million, five hundred forty-one thousand, four hundred forty".