100432145640 has 64 divisors (see below), whose sum is σ = 301323988800. Its totient is φ = 26779456512.

The previous prime is 100432145629. The next prime is 100432145699. The reversal of 100432145640 is 46541234001.

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 = 100432145598 and 100432145607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1554624 + ... + 1617936.

It is an arithmetic number, because the mean of its divisors is an integer number (4708187325).

Almost surely, 2^100432145640 is an apocalyptic number.

100432145640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100432145640 is an abundant number, since it is smaller than the sum of its proper divisors (200891843160).

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

100432145640 is a wasteful number, since it uses less digits than its factorization.

100432145640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76546 (or 76542 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 100432145640 its reverse (46541234001), we get a palindrome (146973379641).

The spelling of 100432145640 in words is "one hundred billion, four hundred thirty-two million, one hundred forty-five thousand, six hundred forty".