100343363440 has 40 divisors (see below), whose sum is σ = 233570072880. Its totient is φ = 40090592256.

The previous prime is 100343363437. The next prime is 100343363441. The reversal of 100343363440 is 44363343001.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100343363441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661369 + ... + 798808.

It is an arithmetic number, because the mean of its divisors is an integer number (5839251822).

Almost surely, 2^100343363440 is an apocalyptic number.

100343363440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100343363440 is an abundant number, since it is smaller than the sum of its proper divisors (133226709440).

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

100343363440 is a wasteful number, since it uses less digits than its factorization.

100343363440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461049 (or 1461043 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 31.

The spelling of 100343363440 in words is "one hundred billion, three hundred forty-three million, three hundred sixty-three thousand, four hundred forty".