104551132440 has 64 divisors (see below), whose sum is σ = 313687870560. Its totient is φ = 27877237760.

The previous prime is 104551132429. The next prime is 104551132459. The reversal of 104551132440 is 44231155401.

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 = 104551132398 and 104551132407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1178932 + ... + 1264508.

Almost surely, 2^104551132440 is an apocalyptic number.

104551132440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104551132440 is an abundant number, since it is smaller than the sum of its proper divisors (209136738120).

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

104551132440 is a wasteful number, since it uses less digits than its factorization.

104551132440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95772 (or 95768 counting only the distinct ones).

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

Adding to 104551132440 its reverse (44231155401), we get a palindrome (148782287841).

The spelling of 104551132440 in words is "one hundred four billion, five hundred fifty-one million, one hundred thirty-two thousand, four hundred forty".