100342540240 has 40 divisors (see below), whose sum is σ = 234120827808. Its totient is φ = 39995180160.

The previous prime is 100342540217. The next prime is 100342540253. The reversal of 100342540240 is 42045243001.

It is a happy number.

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

It is a congruent number.

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, 2193406 + ... + 2238685.

Almost surely, 2^100342540240 is an apocalyptic number.

100342540240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100342540240 is an abundant number, since it is smaller than the sum of its proper divisors (133778287568).

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

100342540240 is a wasteful number, since it uses less digits than its factorization.

100342540240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4432387 (or 4432381 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 100342540240 its reverse (42045243001), we get a palindrome (142387783241).

The spelling of 100342540240 in words is "one hundred billion, three hundred forty-two million, five hundred forty thousand, two hundred forty".